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Mississippi River At Winfield Lock and Dam 25 (CAGM7)

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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
NOTE: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.
Flood Stage: 26 Feet
Latest Stage: 14.45
Current Warnings/Statements/Advisories:None currently.
at Winfield Lock and Dam 25
Tailwater (ft)Flow (kcfs)Highest Observation: 18.42 ft at 2:00AM Jul 20, 2021Highest Observation: 18.42 ft at 2:30AM Jul 20, 2021Observed: 18.41 ft at 3:00AM Jul 20, 2021Observed: 18.39 ft at 3:30AM Jul 20, 2021Observed: 18.4 ft at 4:00AM Jul 20, 2021Observed: 18.39 ft at 4:30AM Jul 20, 2021Observed: 18.39 ft at 5:00AM Jul 20, 2021Observed: 18.41 ft at 5:30AM Jul 20, 2021Highest Observation: 18.42 ft at 6:00AM Jul 20, 2021Highest Observation: 18.42 ft at 6:30AM Jul 20, 2021Highest Observation: 18.42 ft at 7:00AM Jul 20, 2021Highest Observation: 18.42 ft at 7:30AM Jul 20, 2021Observed: 18.4 ft at 8:00AM Jul 20, 2021Observed: 18.38 ft at 8:30AM Jul 20, 2021Observed: 18.38 ft at 9:00AM Jul 20, 2021Observed: 18.34 ft at 9:30AM Jul 20, 2021Observed: 18.3 ft at 10:00AM Jul 20, 2021Observed: 18.21 ft at 10:30AM Jul 20, 2021Observed: 18.13 ft at 11:00AM Jul 20, 2021Observed: 18.08 ft at 11:30AM Jul 20, 2021Observed: 18.05 ft at 12:00PM Jul 20, 2021Observed: 18.04 ft at 12:30PM Jul 20, 2021Observed: 17.99 ft at 1:00PM Jul 20, 2021Observed: 17.97 ft at 1:30PM Jul 20, 2021Observed: 17.95 ft at 2:00PM Jul 20, 2021Observed: 17.93 ft at 2:30PM Jul 20, 2021Observed: 17.59 ft at 3:00PM Jul 20, 2021Observed: 17.46 ft at 3:30PM Jul 20, 2021Observed: 17.36 ft at 4:00PM Jul 20, 2021Observed: 17.31 ft at 4:30PM Jul 20, 2021Observed: 17.23 ft at 5:00PM Jul 20, 2021Observed: 17.2 ft at 5:30PM Jul 20, 2021Observed: 17.16 ft at 6:00PM Jul 20, 2021Observed: 17.13 ft at 6:30PM Jul 20, 2021Observed: 17.12 ft at 7:00PM Jul 20, 2021Observed: 17.09 ft at 7:30PM Jul 20, 2021Observed: 17.08 ft at 8:00PM Jul 20, 2021Observed: 17.07 ft at 8:30PM Jul 20, 2021Observed: 17.06 ft at 9:00PM Jul 20, 2021Observed: 17.05 ft at 9:30PM Jul 20, 2021Observed: 17.05 ft at 10:00PM Jul 20, 2021Observed: 17.04 ft at 10:30PM Jul 20, 2021Observed: 17.03 ft at 11:00PM Jul 20, 2021Observed: 17.07 ft at 11:30PM Jul 20, 2021Observed: 17.03 ft at 12:00AM Jul 21, 2021Observed: 17.06 ft at 12:30AM Jul 21, 2021Observed: 17.01 ft at 1:00AM Jul 21, 2021Observed: 17 ft at 1:30AM Jul 21, 2021Observed: 16.99 ft at 2:00AM Jul 21, 2021Observed: 16.99 ft at 2:30AM Jul 21, 2021Observed: 16.98 ft at 3:00AM Jul 21, 2021Observed: 16.98 ft at 3:30AM Jul 21, 2021Observed: 16.94 ft at 4:00AM Jul 21, 2021Observed: 16.92 ft at 4:30AM Jul 21, 2021Observed: 16.9 ft at 5:00AM Jul 21, 2021Observed: 16.85 ft at 5:30AM Jul 21, 2021Observed: 16.82 ft at 6:00AM Jul 21, 2021Observed: 16.78 ft at 6:30AM Jul 21, 2021Observed: 16.76 ft at 7:00AM Jul 21, 2021Observed: 16.74 ft at 7:30AM Jul 21, 2021Observed: 16.74 ft at 8:00AM Jul 21, 2021Observed: 16.72 ft at 8:30AM Jul 21, 2021Observed: 16.71 ft at 9:00AM Jul 21, 2021Observed: 16.7 ft at 9:30AM Jul 21, 2021Observed: 16.7 ft at 10:00AM Jul 21, 2021Observed: 16.68 ft at 10:30AM Jul 21, 2021Observed: 16.68 ft at 11:00AM Jul 21, 2021Observed: 16.68 ft at 11:30AM Jul 21, 2021Observed: 16.66 ft at 12:00PM Jul 21, 2021Observed: 16.68 ft at 12:30PM Jul 21, 2021Observed: 16.68 ft at 1:00PM Jul 21, 2021Observed: 16.68 ft at 1:30PM Jul 21, 2021Observed: 16.68 ft at 2:00PM Jul 21, 2021Observed: 16.68 ft at 2:30PM Jul 21, 2021Observed: 16.67 ft at 3:00PM Jul 21, 2021Observed: 16.35 ft at 3:30PM Jul 21, 2021Observed: 16.22 ft at 4:00PM Jul 21, 2021Observed: 15.92 ft at 4:30PM Jul 21, 2021Observed: 15.73 ft at 5:00PM Jul 21, 2021Observed: 15.63 ft at 5:30PM Jul 21, 2021Observed: 15.5 ft at 6:00PM Jul 21, 2021Observed: 15.44 ft at 6:30PM Jul 21, 2021Observed: 15.34 ft at 7:00PM Jul 21, 2021Observed: 15.31 ft at 7:30PM Jul 21, 2021Observed: 15.46 ft at 8:00PM Jul 21, 2021Observed: 15.46 ft at 8:30PM Jul 21, 2021Observed: 15.59 ft at 9:00PM Jul 21, 2021Observed: 15.68 ft at 9:30PM Jul 21, 2021Observed: 15.74 ft at 10:00PM Jul 21, 2021Observed: 15.75 ft at 10:30PM Jul 21, 2021Observed: 15.77 ft at 11:00PM Jul 21, 2021Observed: 15.79 ft at 11:30PM Jul 21, 2021Observed: 15.79 ft at 12:00AM Jul 22, 2021Observed: 15.8 ft at 12:30AM Jul 22, 2021Observed: 15.75 ft at 1:00AM Jul 22, 2021Observed: 15.71 ft at 1:30AM Jul 22, 2021Observed: 15.68 ft at 2:00AM Jul 22, 2021Observed: 15.67 ft at 2:30AM Jul 22, 2021Observed: 15.66 ft at 3:00AM Jul 22, 2021Observed: 15.64 ft at 3:30AM Jul 22, 2021Observed: 15.64 ft at 4:00AM Jul 22, 2021Observed: 15.63 ft at 4:30AM Jul 22, 2021Observed: 15.66 ft at 5:00AM Jul 22, 2021Observed: 15.62 ft at 5:30AM Jul 22, 2021Observed: 15.61 ft at 6:00AM Jul 22, 2021Observed: 15.6 ft at 6:30AM Jul 22, 2021Observed: 15.6 ft at 7:00AM Jul 22, 2021Observed: 15.61 ft at 7:30AM Jul 22, 2021Observed: 15.6 ft at 8:00AM Jul 22, 2021Observed: 15.58 ft at 8:30AM Jul 22, 2021Observed: 15.57 ft at 9:00AM Jul 22, 2021Observed: 15.59 ft at 9:30AM Jul 22, 2021Observed: 15.57 ft at 10:00AM Jul 22, 2021Observed: 15.58 ft at 10:30AM Jul 22, 2021Observed: 15.57 ft at 11:00AM Jul 22, 2021Observed: 15.57 ft at 11:30AM Jul 22, 2021Observed: 15.56 ft at 12:00PM Jul 22, 2021Observed: 15.56 ft at 12:30PM Jul 22, 2021Observed: 15.55 ft at 1:00PM Jul 22, 2021Observed: 15.48 ft at 1:30PM Jul 22, 2021Observed: 15.41 ft at 2:00PM Jul 22, 2021Observed: 15.38 ft at 2:30PM Jul 22, 2021Observed: 15.35 ft at 3:00PM Jul 22, 2021Observed: 15.35 ft at 3:30PM Jul 22, 2021Observed: 15.25 ft at 4:00PM Jul 22, 2021Observed: 15.24 ft at 4:30PM Jul 22, 2021Observed: 15.23 ft at 5:00PM Jul 22, 2021Observed: 15.22 ft at 5:30PM Jul 22, 2021Observed: 15.2 ft at 6:00PM Jul 22, 2021Observed: 15.19 ft at 6:30PM Jul 22, 2021Observed: 15.19 ft at 7:00PM Jul 22, 2021Observed: 15.18 ft at 7:30PM Jul 22, 2021Observed: 15.18 ft at 8:00PM Jul 22, 2021Observed: 15.17 ft at 8:30PM Jul 22, 2021Observed: 15.17 ft at 9:00PM Jul 22, 2021Observed: 15.17 ft at 9:30PM Jul 22, 2021Observed: 15.17 ft at 10:00PM Jul 22, 2021Observed: 15.18 ft at 10:30PM Jul 22, 2021Observed: 15.17 ft at 11:00PM Jul 22, 2021Observed: 15.18 ft at 11:30PM Jul 22, 2021Observed: 15.17 ft at 12:00AM Jul 23, 2021Observed: 15.17 ft at 12:30AM Jul 23, 2021Observed: 15.16 ft at 1:00AM Jul 23, 2021Observed: 15.16 ft at 1:30AM Jul 23, 2021Observed: 15.17 ft at 2:00AM Jul 23, 2021Observed: 15.23 ft at 2:30AM Jul 23, 2021Observed: 15.22 ft at 3:00AM Jul 23, 2021Observed: 15.23 ft at 3:30AM Jul 23, 2021Observed: 15.25 ft at 4:00AM Jul 23, 2021Observed: 15.25 ft at 4:30AM Jul 23, 2021Observed: 15.26 ft at 5:00AM Jul 23, 2021Observed: 15.32 ft at 5:30AM Jul 23, 2021Observed: 15.35 ft at 6:00AM Jul 23, 2021Observed: 15.36 ft at 6:30AM Jul 23, 2021Observed: 15.4 ft at 7:00AM Jul 23, 2021Observed: 15.39 ft at 7:30AM Jul 23, 2021Observed: 15.39 ft at 8:00AM Jul 23, 2021Observed: 15.39 ft at 8:30AM Jul 23, 2021Observed: 15.39 ft at 9:00AM Jul 23, 2021Observed: 15.4 ft at 9:30AM Jul 23, 2021Observed: 15.37 ft at 10:00AM Jul 23, 2021Observed: 15.4 ft at 10:30AM Jul 23, 2021Observed: 15.39 ft at 11:00AM Jul 23, 2021Observed: 15.39 ft at 11:30AM Jul 23, 2021Observed: 15.39 ft at 12:00PM Jul 23, 2021Observed: 15.39 ft at 12:30PM Jul 23, 2021Observed: 15.39 ft at 1:00PM Jul 23, 2021Observed: 15.39 ft at 1:30PM Jul 23, 2021Observed: 15.4 ft at 2:00PM Jul 23, 2021Observed: 15.43 ft at 2:30PM Jul 23, 2021Observed: 15.4 ft at 3:00PM Jul 23, 2021Observed: 15.4 ft at 3:30PM Jul 23, 2021Observed: 15.42 ft at 4:00PM Jul 23, 2021Observed: 15.4 ft at 4:30PM Jul 23, 2021Observed: 15.41 ft at 5:00PM Jul 23, 2021Observed: 15.42 ft at 5:30PM Jul 23, 2021Observed: 15.43 ft at 6:00PM Jul 23, 2021Observed: 15.42 ft at 6:30PM Jul 23, 2021Observed: 15.41 ft at 7:00PM Jul 23, 2021Observed: 15.43 ft at 7:30PM Jul 23, 2021Observed: 15.42 ft at 8:00PM Jul 23, 2021Observed: 15.42 ft at 8:30PM Jul 23, 2021Observed: 15.42 ft at 9:00PM Jul 23, 2021Observed: 15.43 ft at 9:30PM Jul 23, 2021Observed: 15.36 ft at 10:00PM Jul 23, 2021Observed: 15.31 ft at 10:30PM Jul 23, 2021Observed: 15.28 ft at 11:00PM Jul 23, 2021Observed: 15.27 ft at 11:30PM Jul 23, 2021Observed: 15.24 ft at 12:00AM Jul 24, 2021Observed: 15.16 ft at 12:30AM Jul 24, 2021Observed: 15.12 ft at 1:00AM Jul 24, 2021Observed: 15.08 ft at 1:30AM Jul 24, 2021Observed: 15.04 ft at 2:00AM Jul 24, 2021Observed: 14.96 ft at 2:30AM Jul 24, 2021Observed: 14.93 ft at 3:00AM Jul 24, 2021Observed: 14.86 ft at 3:30AM Jul 24, 2021Observed: 14.83 ft at 4:00AM Jul 24, 2021Observed: 14.83 ft at 4:30AM Jul 24, 2021Observed: 14.73 ft at 5:00AM Jul 24, 2021Observed: 14.69 ft at 5:30AM Jul 24, 2021Observed: 14.67 ft at 6:00AM Jul 24, 2021Observed: 14.62 ft at 6:30AM Jul 24, 2021Observed: 14.61 ft at 7:00AM Jul 24, 2021Observed: 14.6 ft at 7:30AM Jul 24, 2021Observed: 14.57 ft at 8:00AM Jul 24, 2021Observed: 14.54 ft at 8:30AM Jul 24, 2021Observed: 14.52 ft at 9:00AM Jul 24, 2021Observed: 14.39 ft at 9:30AM Jul 24, 2021Observed: 14.47 ft at 10:00AM Jul 24, 2021Observed: 14.46 ft at 10:30AM Jul 24, 2021Observed: 14.38 ft at 11:00AM Jul 24, 2021Observed: 14.35 ft at 11:30AM Jul 24, 2021Observed: 14.35 ft at 12:00PM Jul 24, 2021Observed: 14.3 ft at 12:30PM Jul 24, 2021Observed: 14.3 ft at 1:00PM Jul 24, 2021Observed: 14.2 ft at 1:30PM Jul 24, 2021Observed: 14.18 ft at 2:00PM Jul 24, 2021Observed: 14.14 ft at 2:30PM Jul 24, 2021Observed: 14.14 ft at 3:00PM Jul 24, 2021Observed: 14.11 ft at 3:30PM Jul 24, 2021Observed: 14.11 ft at 4:00PM Jul 24, 2021Observed: 14.09 ft at 4:30PM Jul 24, 2021Observed: 14.07 ft at 5:00PM Jul 24, 2021Observed: 14.13 ft at 5:30PM Jul 24, 2021Observed: 14.15 ft at 6:00PM Jul 24, 2021Observed: 14.16 ft at 6:30PM Jul 24, 2021Observed: 14.16 ft at 7:00PM Jul 24, 2021Observed: 14.19 ft at 7:30PM Jul 24, 2021Observed: 14.23 ft at 8:00PM Jul 24, 2021Observed: 14.28 ft at 8:30PM Jul 24, 2021Observed: 14.3 ft at 9:00PM Jul 24, 2021Observed: 14.29 ft at 9:30PM Jul 24, 2021Observed: 14.3 ft at 10:00PM Jul 24, 2021Observed: 14.34 ft at 10:30PM Jul 24, 2021Observed: 14.36 ft at 11:00PM Jul 24, 2021Observed: 14.37 ft at 11:30PM Jul 24, 2021Observed: 14.34 ft at 12:00AM Jul 25, 2021Observed: 14.41 ft at 12:30AM Jul 25, 2021Observed: 14.44 ft at 1:00AM Jul 25, 2021Highest Forecast: 14.3 ft 7:00AM Jul 25, 2021Highest Forecast: 14.3 ft 1:00PM Jul 25, 2021Highest Forecast: 14.3 ft 7:00PM Jul 25, 2021Highest Forecast: 14.3 ft 1:00AM Jul 26, 2021Highest Forecast: 14.3 ft 7:00AM Jul 26, 2021Highest Forecast: 14.3 ft 1:00PM Jul 26, 2021Highest Forecast: 14.3 ft 7:00PM Jul 26, 2021Highest Forecast: 14.3 ft 1:00AM Jul 27, 2021Highest Forecast: 14.3 ft 7:00AM Jul 27, 2021Highest Forecast: 14.3 ft 1:00PM Jul 27, 2021Highest Forecast: 14.3 ft 7:00PM Jul 27, 2021Highest Forecast: 14.3 ft 1:00AM Jul 28, 2021Highest Forecast: 14.3 ft 7:00AM Jul 28, 2021Highest Forecast: 14.3 ft 1:00PM Jul 28, 2021Highest Forecast: 14.3 ft 7:00PM Jul 28, 2021Highest Forecast: 14.3 ft 1:00AM Jul 29, 2021Highest Forecast: 14.3 ft 7:00AM Jul 29, 2021Highest Forecast: 14.3 ft 1:00PM Jul 29, 2021Highest Forecast: 14.3 ft 7:00PM Jul 29, 2021Highest Forecast: 14.3 ft 1:00AM Jul 30, 2021Highest Forecast: 14.3 ft 7:00AM Jul 30, 2021Highest Forecast: 14.3 ft 1:00PM Jul 30, 2021Highest Forecast: 14.3 ft 7:00PM Jul 30, 2021Highest Forecast: 14.3 ft 1:00AM Jul 31, 2021Highest Forecast: 14.3 ft 7:00AM Jul 31, 2021Highest Forecast: 14.3 ft 1:00PM Jul 31, 2021Highest Forecast: 14.3 ft 7:00PM Jul 31, 2021Highest Forecast: 14.3 ft 1:00AM Aug 01, 2021Highest Forecast: 14.3 ft 7:00AM Aug 01, 2021Highest Forecast: 14.3 ft 1:00PM Aug 01, 2021Highest Forecast: 14.3 ft 7:00PM Aug 01, 2021Highest Forecast: 14.3 ft 1:00AM Aug 02, 2021Highest Forecast: 14.3 ft 7:00AM Aug 02, 2021Highest Forecast: 14.3 ft 1:00PM Aug 02, 2021Highest Forecast: 14.3 ft 7:00PM Aug 02, 2021Highest Forecast: 14.3 ft 1:00AM Aug 03, 2021Highest Forecast: 14.3 ft 7:00AM Aug 03, 2021Highest Forecast: 14.3 ft 1:00PM Aug 03, 2021Highest Forecast: 14.3 ft 7:00PM Aug 03, 2021Highest Forecast: 14.3 ft 1:00AM Aug 04, 2021Highest Forecast: 14.3 ft 7:00AM Aug 04, 2021Highest Forecast: 14.3 ft 1:00PM Aug 04, 2021Highest Forecast: 14.3 ft 7:00PM Aug 04, 2021Highest Forecast: 14.3 ft 1:00AM Aug 05, 2021Highest Forecast: 14.3 ft 7:00AM Aug 05, 2021Highest Forecast: 14.3 ft 1:00PM Aug 05, 2021Forecast: 14.2 ft 7:00PM Aug 05, 2021Forecast: 14.2 ft 1:00AM Aug 06, 2021Forecast: 14.2 ft 7:00AM Aug 06, 2021Forecast: 14.1 ft 1:00PM Aug 06, 2021Forecast: 14.1 ft 7:00PM Aug 06, 2021Forecast: 14 ft 1:00AM Aug 07, 2021Forecast: 14 ft 7:00AM Aug 07, 2021CAGM7(plotting HTIRG) Graph Created (1:40AM Jul 25, 2021)ObservedForecast (issued 10:54AM Jul 24)Latest observed value: 14.44 ft at 1:00 AM CDT 25-Jul-2021. Flood Stage is 26 ft
Flood Categories (in feet)
Major Flood Stage: 34
Moderate Flood Stage: 30
Flood Stage: 26
Action Stage: 24
Low Stage (in feet): -9999

Historic Crests
(1) 39.62 ft on 08/01/1993
(2) 39.02 ft on 06/02/2019
(3) 38.59 ft on 06/04/2019
(4) 37.08 ft on 06/27/2008
(5) 36.93 ft on 04/27/1973
(6) 35.40 ft on 04/23/2013
(7) 34.70 ft on 07/10/2014
(8) 34.68 ft on 05/18/2001
(9) 34.39 ft on 12/30/2015
(10) 34.20 ft on 04/14/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 27.70 ft on 04/14/2021
(2) 27.83 ft on 03/20/2021
(3) 27.23 ft on 07/03/2020
(4) 27.79 ft on 06/13/2020
(5) 26.21 ft on 05/18/2020
(6) 29.49 ft on 04/01/2020
(7) 29.61 ft on 10/19/2019
(8) 38.59 ft on 06/04/2019
(9) 39.02 ft on 06/02/2019
(10) 26.34 ft on 11/06/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.95 ft on 12/29/1933
(2) 6.89 ft on 12/10/1937
(3) 8.55 ft on 01/19/1938
Show More Low Water Records

Mississippi River At Grafton (GRFI2)

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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
NOTE: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.
Flood Stage: 20 Feet
Latest Stage: 15.08
Current Warnings/Statements/Advisories:None currently.
at Grafton
Stage (ft)Observed: 15.35 ft at 2:00AM Jul 20, 2021Observed: 15.33 ft at 2:30AM Jul 20, 2021Observed: 15.31 ft at 3:00AM Jul 20, 2021Observed: 15.31 ft at 3:30AM Jul 20, 2021Observed: 15.27 ft at 4:00AM Jul 20, 2021Observed: 15.26 ft at 4:30AM Jul 20, 2021Observed: 15.25 ft at 5:00AM Jul 20, 2021Observed: 15.23 ft at 5:30AM Jul 20, 2021Observed: 15.21 ft at 6:00AM Jul 20, 2021Observed: 15.2 ft at 6:30AM Jul 20, 2021Observed: 15.19 ft at 7:00AM Jul 20, 2021Observed: 15.19 ft at 7:30AM Jul 20, 2021Observed: 15.17 ft at 8:00AM Jul 20, 2021Observed: 15.11 ft at 8:30AM Jul 20, 2021Observed: 15.15 ft at 9:00AM Jul 20, 2021Observed: 15.14 ft at 9:30AM Jul 20, 2021Observed: 15.13 ft at 10:00AM Jul 20, 2021Observed: 15.13 ft at 10:30AM Jul 20, 2021Observed: 15.12 ft at 11:00AM Jul 20, 2021Observed: 15.11 ft at 11:30AM Jul 20, 2021Observed: 15.06 ft at 12:00PM Jul 20, 2021Observed: 15.07 ft at 12:30PM Jul 20, 2021Observed: 15.05 ft at 1:00PM Jul 20, 2021Observed: 15.03 ft at 1:30PM Jul 20, 2021Observed: 15.01 ft at 2:00PM Jul 20, 2021Observed: 15 ft at 2:30PM Jul 20, 2021Observed: 14.98 ft at 3:00PM Jul 20, 2021Observed: 15 ft at 3:30PM Jul 20, 2021Observed: 15 ft at 4:00PM Jul 20, 2021Observed: 15.01 ft at 4:30PM Jul 20, 2021Observed: 15.01 ft at 5:00PM Jul 20, 2021Observed: 15.01 ft at 5:30PM Jul 20, 2021Observed: 15.01 ft at 6:00PM Jul 20, 2021Observed: 15.01 ft at 6:30PM Jul 20, 2021Observed: 14.99 ft at 7:00PM Jul 20, 2021Observed: 14.97 ft at 7:30PM Jul 20, 2021Observed: 14.95 ft at 8:00PM Jul 20, 2021Observed: 14.92 ft at 8:30PM Jul 20, 2021Observed: 14.91 ft at 9:00PM Jul 20, 2021Observed: 14.89 ft at 9:30PM Jul 20, 2021Observed: 14.86 ft at 10:00PM Jul 20, 2021Observed: 14.84 ft at 10:30PM Jul 20, 2021Observed: 14.83 ft at 11:00PM Jul 20, 2021Observed: 14.81 ft at 11:30PM Jul 20, 2021Observed: 14.8 ft at 12:00AM Jul 21, 2021Observed: 14.79 ft at 12:30AM Jul 21, 2021Observed: 14.7 ft at 1:00AM Jul 21, 2021Observed: 14.76 ft at 1:30AM Jul 21, 2021Observed: 14.76 ft at 2:00AM Jul 21, 2021Observed: 14.75 ft at 2:30AM Jul 21, 2021Observed: 14.75 ft at 3:00AM Jul 21, 2021Observed: 14.74 ft at 3:30AM Jul 21, 2021Observed: 14.72 ft at 4:00AM Jul 21, 2021Observed: 14.71 ft at 4:30AM Jul 21, 2021Observed: 14.7 ft at 5:00AM Jul 21, 2021Observed: 14.69 ft at 5:30AM Jul 21, 2021Observed: 14.68 ft at 6:00AM Jul 21, 2021Observed: 14.67 ft at 6:30AM Jul 21, 2021Observed: 14.66 ft at 7:00AM Jul 21, 2021Observed: 14.66 ft at 7:30AM Jul 21, 2021Observed: 14.64 ft at 8:00AM Jul 21, 2021Observed: 14.63 ft at 8:30AM Jul 21, 2021Observed: 14.61 ft at 9:00AM Jul 21, 2021Observed: 14.6 ft at 9:30AM Jul 21, 2021Observed: 14.62 ft at 10:00AM Jul 21, 2021Observed: 14.63 ft at 10:30AM Jul 21, 2021Observed: 14.65 ft at 11:00AM Jul 21, 2021Observed: 14.69 ft at 11:30AM Jul 21, 2021Observed: 14.72 ft at 12:00PM Jul 21, 2021Observed: 14.75 ft at 12:30PM Jul 21, 2021Observed: 14.77 ft at 1:00PM Jul 21, 2021Observed: 14.77 ft at 1:30PM Jul 21, 2021Observed: 14.78 ft at 2:00PM Jul 21, 2021Observed: 14.78 ft at 2:30PM Jul 21, 2021Observed: 14.85 ft at 3:00PM Jul 21, 2021Observed: 14.9 ft at 3:30PM Jul 21, 2021Observed: 14.95 ft at 4:00PM Jul 21, 2021Observed: 14.98 ft at 4:30PM Jul 21, 2021Observed: 15.01 ft at 5:00PM Jul 21, 2021Observed: 15.01 ft at 5:30PM Jul 21, 2021Observed: 14.98 ft at 6:00PM Jul 21, 2021Observed: 14.95 ft at 6:30PM Jul 21, 2021Observed: 14.87 ft at 7:00PM Jul 21, 2021Observed: 14.88 ft at 7:30PM Jul 21, 2021Observed: 14.87 ft at 8:00PM Jul 21, 2021Observed: 14.85 ft at 8:30PM Jul 21, 2021Observed: 14.84 ft at 9:00PM Jul 21, 2021Observed: 14.83 ft at 9:30PM Jul 21, 2021Observed: 14.84 ft at 10:00PM Jul 21, 2021Observed: 14.84 ft at 10:30PM Jul 21, 2021Observed: 14.85 ft at 11:00PM Jul 21, 2021Observed: 14.86 ft at 11:30PM Jul 21, 2021Observed: 14.82 ft at 12:00AM Jul 22, 2021Observed: 14.87 ft at 12:30AM Jul 22, 2021Observed: 14.87 ft at 1:00AM Jul 22, 2021Observed: 14.88 ft at 1:30AM Jul 22, 2021Observed: 14.88 ft at 2:00AM Jul 22, 2021Observed: 14.88 ft at 2:30AM Jul 22, 2021Observed: 14.88 ft at 3:00AM Jul 22, 2021Observed: 14.86 ft at 3:30AM Jul 22, 2021Observed: 14.88 ft at 4:00AM Jul 22, 2021Observed: 14.87 ft at 4:30AM Jul 22, 2021Observed: 14.85 ft at 5:00AM Jul 22, 2021Observed: 14.86 ft at 5:30AM Jul 22, 2021Observed: 14.86 ft at 6:00AM Jul 22, 2021Observed: 14.85 ft at 6:30AM Jul 22, 2021Observed: 14.84 ft at 7:00AM Jul 22, 2021Observed: 14.83 ft at 7:30AM Jul 22, 2021Observed: 14.83 ft at 8:00AM Jul 22, 2021Observed: 14.82 ft at 8:30AM Jul 22, 2021Observed: 14.82 ft at 9:00AM Jul 22, 2021Observed: 14.81 ft at 9:30AM Jul 22, 2021Observed: 14.81 ft at 10:00AM Jul 22, 2021Observed: 14.8 ft at 10:30AM Jul 22, 2021Observed: 14.82 ft at 11:00AM Jul 22, 2021Observed: 14.93 ft at 11:30AM Jul 22, 2021Observed: 14.99 ft at 12:00PM Jul 22, 2021Observed: 15.09 ft at 12:30PM Jul 22, 2021Observed: 15.17 ft at 1:00PM Jul 22, 2021Observed: 15.24 ft at 1:30PM Jul 22, 2021Observed: 15.32 ft at 2:00PM Jul 22, 2021Observed: 15.34 ft at 2:30PM Jul 22, 2021Observed: 15.38 ft at 3:00PM Jul 22, 2021Observed: 15.41 ft at 3:30PM Jul 22, 2021Observed: 15.42 ft at 4:00PM Jul 22, 2021Observed: 15.4 ft at 4:30PM Jul 22, 2021Observed: 15.37 ft at 5:00PM Jul 22, 2021Observed: 15.4 ft at 5:30PM Jul 22, 2021Observed: 15.4 ft at 6:00PM Jul 22, 2021Observed: 15.41 ft at 6:30PM Jul 22, 2021Observed: 15.41 ft at 7:00PM Jul 22, 2021Observed: 15.41 ft at 7:30PM Jul 22, 2021Observed: 15.41 ft at 8:00PM Jul 22, 2021Observed: 15.41 ft at 8:30PM Jul 22, 2021Observed: 15.41 ft at 9:00PM Jul 22, 2021Observed: 15.41 ft at 9:30PM Jul 22, 2021Observed: 15.41 ft at 10:00PM Jul 22, 2021Observed: 15.42 ft at 10:30PM Jul 22, 2021Observed: 15.43 ft at 11:00PM Jul 22, 2021Observed: 15.44 ft at 11:30PM Jul 22, 2021Observed: 15.41 ft at 12:00AM Jul 23, 2021Observed: 15.45 ft at 12:30AM Jul 23, 2021Observed: 15.46 ft at 1:00AM Jul 23, 2021Observed: 15.46 ft at 1:30AM Jul 23, 2021Observed: 15.47 ft at 2:00AM Jul 23, 2021Observed: 15.46 ft at 2:30AM Jul 23, 2021Observed: 15.45 ft at 3:00AM Jul 23, 2021Observed: 15.45 ft at 3:30AM Jul 23, 2021Observed: 15.44 ft at 4:00AM Jul 23, 2021Observed: 15.44 ft at 4:30AM Jul 23, 2021Observed: 15.43 ft at 5:00AM Jul 23, 2021Observed: 15.43 ft at 5:30AM Jul 23, 2021Observed: 15.43 ft at 6:00AM Jul 23, 2021Observed: 15.42 ft at 6:30AM Jul 23, 2021Observed: 15.43 ft at 7:00AM Jul 23, 2021Observed: 15.44 ft at 7:30AM Jul 23, 2021Observed: 15.44 ft at 8:00AM Jul 23, 2021Observed: 15.37 ft at 8:30AM Jul 23, 2021Observed: 15.43 ft at 9:00AM Jul 23, 2021Observed: 15.41 ft at 9:30AM Jul 23, 2021Observed: 15.44 ft at 10:00AM Jul 23, 2021Observed: 15.46 ft at 10:30AM Jul 23, 2021Observed: 15.43 ft at 11:00AM Jul 23, 2021Observed: 15.43 ft at 11:30AM Jul 23, 2021Observed: 15.44 ft at 12:00PM Jul 23, 2021Observed: 15.44 ft at 12:30PM Jul 23, 2021Observed: 15.44 ft at 1:00PM Jul 23, 2021Observed: 15.45 ft at 1:30PM Jul 23, 2021Observed: 15.47 ft at 2:00PM Jul 23, 2021Observed: 15.48 ft at 2:30PM Jul 23, 2021Observed: 15.48 ft at 3:00PM Jul 23, 2021Observed: 15.48 ft at 3:30PM Jul 23, 2021Observed: 15.47 ft at 4:00PM Jul 23, 2021Observed: 15.49 ft at 4:30PM Jul 23, 2021Observed: 15.48 ft at 5:00PM Jul 23, 2021Observed: 15.49 ft at 5:30PM Jul 23, 2021Observed: 15.49 ft at 6:00PM Jul 23, 2021Highest Observation: 15.5 ft at 6:30PM Jul 23, 2021Highest Observation: 15.5 ft at 7:00PM Jul 23, 2021Observed: 15.49 ft at 7:30PM Jul 23, 2021Highest Observation: 15.5 ft at 8:00PM Jul 23, 2021Highest Observation: 15.5 ft at 8:30PM Jul 23, 2021Highest Observation: 15.5 ft at 9:00PM Jul 23, 2021Highest Observation: 15.5 ft at 9:30PM Jul 23, 2021Observed: 15.48 ft at 10:00PM Jul 23, 2021Observed: 15.49 ft at 10:30PM Jul 23, 2021Observed: 15.48 ft at 11:00PM Jul 23, 2021Observed: 15.48 ft at 11:30PM Jul 23, 2021Observed: 15.46 ft at 12:00AM Jul 24, 2021Observed: 15.44 ft at 12:30AM Jul 24, 2021Observed: 15.38 ft at 1:00AM Jul 24, 2021Observed: 15.41 ft at 1:30AM Jul 24, 2021Observed: 15.39 ft at 2:00AM Jul 24, 2021Observed: 15.38 ft at 2:30AM Jul 24, 2021Observed: 15.36 ft at 3:00AM Jul 24, 2021Observed: 15.29 ft at 3:30AM Jul 24, 2021Observed: 15.31 ft at 4:00AM Jul 24, 2021Observed: 15.31 ft at 4:30AM Jul 24, 2021Observed: 15.27 ft at 5:00AM Jul 24, 2021Observed: 15.27 ft at 5:30AM Jul 24, 2021Observed: 15.25 ft at 6:00AM Jul 24, 2021Observed: 15.28 ft at 6:30AM Jul 24, 2021Observed: 15.29 ft at 7:00AM Jul 24, 2021Observed: 15.28 ft at 7:30AM Jul 24, 2021Observed: 15.28 ft at 8:00AM Jul 24, 2021Observed: 15.28 ft at 8:30AM Jul 24, 2021Observed: 15.28 ft at 9:00AM Jul 24, 2021Observed: 15.28 ft at 9:30AM Jul 24, 2021Observed: 15.27 ft at 10:00AM Jul 24, 2021Observed: 15.26 ft at 10:30AM Jul 24, 2021Observed: 15.25 ft at 11:00AM Jul 24, 2021Observed: 15.25 ft at 11:30AM Jul 24, 2021Observed: 15.25 ft at 12:00PM Jul 24, 2021Observed: 15.23 ft at 12:30PM Jul 24, 2021Observed: 15.21 ft at 1:00PM Jul 24, 2021Observed: 15.21 ft at 1:30PM Jul 24, 2021Observed: 15.18 ft at 2:00PM Jul 24, 2021Observed: 15.18 ft at 2:30PM Jul 24, 2021Observed: 15.17 ft at 3:00PM Jul 24, 2021Observed: 15.15 ft at 3:30PM Jul 24, 2021Observed: 15.14 ft at 4:00PM Jul 24, 2021Observed: 15.12 ft at 4:30PM Jul 24, 2021Observed: 15.1 ft at 5:00PM Jul 24, 2021Observed: 15.1 ft at 5:30PM Jul 24, 2021Observed: 15.09 ft at 6:00PM Jul 24, 2021Observed: 15.07 ft at 6:30PM Jul 24, 2021Observed: 15.08 ft at 7:00PM Jul 24, 2021Observed: 15.09 ft at 7:30PM Jul 24, 2021Observed: 15.08 ft at 8:00PM Jul 24, 2021Observed: 15.09 ft at 8:30PM Jul 24, 2021Observed: 15.08 ft at 9:00PM Jul 24, 2021Observed: 15.08 ft at 9:30PM Jul 24, 2021Observed: 15.08 ft at 10:00PM Jul 24, 2021Observed: 15.08 ft at 10:30PM Jul 24, 2021Observed: 15.08 ft at 11:00PM Jul 24, 2021Observed: 15.08 ft at 11:30PM Jul 24, 2021Observed: 15.07 ft at 12:00AM Jul 25, 2021Observed: 15.08 ft at 12:30AM Jul 25, 2021Observed: 15.06 ft at 1:00AM Jul 25, 2021Highest Forecast: 15.2 ft 7:00AM Jul 25, 2021Highest Forecast: 15.2 ft 1:00PM Jul 25, 2021Highest Forecast: 15.2 ft 7:00PM Jul 25, 2021Forecast: 15.1 ft 1:00AM Jul 26, 2021Forecast: 15.1 ft 7:00AM Jul 26, 2021Forecast: 15.1 ft 1:00PM Jul 26, 2021Forecast: 15.1 ft 7:00PM Jul 26, 2021Forecast: 15 ft 1:00AM Jul 27, 2021Forecast: 15 ft 7:00AM Jul 27, 2021Forecast: 15 ft 1:00PM Jul 27, 2021Forecast: 15 ft 7:00PM Jul 27, 2021Forecast: 15 ft 1:00AM Jul 28, 2021Forecast: 15 ft 7:00AM Jul 28, 2021Forecast: 15 ft 1:00PM Jul 28, 2021Forecast: 15 ft 7:00PM Jul 28, 2021Forecast: 15 ft 1:00AM Jul 29, 2021Forecast: 15 ft 7:00AM Jul 29, 2021Forecast: 15 ft 1:00PM Jul 29, 2021Forecast: 15 ft 7:00PM Jul 29, 2021Forecast: 15 ft 1:00AM Jul 30, 2021Forecast: 15 ft 7:00AM Jul 30, 2021Forecast: 15 ft 1:00PM Jul 30, 2021Forecast: 15 ft 7:00PM Jul 30, 2021Forecast: 15 ft 1:00AM Jul 31, 2021Forecast: 15 ft 7:00AM Jul 31, 2021Forecast: 15 ft 1:00PM Jul 31, 2021Forecast: 15 ft 7:00PM Jul 31, 2021Forecast: 15 ft 1:00AM Aug 01, 2021Forecast: 15 ft 7:00AM Aug 01, 2021Forecast: 15 ft 1:00PM Aug 01, 2021Forecast: 15 ft 7:00PM Aug 01, 2021Forecast: 15 ft 1:00AM Aug 02, 2021Forecast: 15 ft 7:00AM Aug 02, 2021Forecast: 15 ft 1:00PM Aug 02, 2021Forecast: 15 ft 7:00PM Aug 02, 2021Forecast: 15 ft 1:00AM Aug 03, 2021Forecast: 15 ft 7:00AM Aug 03, 2021Forecast: 15 ft 1:00PM Aug 03, 2021Forecast: 15 ft 7:00PM Aug 03, 2021Forecast: 15 ft 1:00AM Aug 04, 2021Forecast: 14.9 ft 7:00AM Aug 04, 2021Forecast: 14.9 ft 1:00PM Aug 04, 2021Forecast: 14.9 ft 7:00PM Aug 04, 2021Forecast: 14.9 ft 1:00AM Aug 05, 2021Forecast: 14.9 ft 7:00AM Aug 05, 2021Forecast: 14.9 ft 1:00PM Aug 05, 2021Forecast: 14.9 ft 7:00PM Aug 05, 2021Forecast: 14.8 ft 1:00AM Aug 06, 2021Forecast: 14.8 ft 7:00AM Aug 06, 2021Forecast: 14.8 ft 1:00PM Aug 06, 2021Forecast: 14.8 ft 7:00PM Aug 06, 2021Forecast: 14.8 ft 1:00AM Aug 07, 2021Forecast: 14.8 ft 7:00AM Aug 07, 2021Forecast: 14.8 ft 1:00PM Aug 07, 2021Forecast: 14.8 ft 7:00PM Aug 07, 2021USGS--Water Resources of the United StatesGRFI2(plotting HGIRG) Graph Created (1:40AM Jul 25, 2021)ObservedForecast (issued 8:09PM Jul 24)Latest observed value: 15.06 ft at 1:00 AM CDT 25-Jul-2021. Flood Stage is 20 ft
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 24
Flood Stage: 20
Action Stage: 18
Low Stage (in feet): -9999

Historic Crests
(1) 38.17 ft on 08/01/1993
(2) 35.17 ft on 06/07/2019
(3) 33.12 ft on 04/28/1973
(4) 32.13 ft on 06/18/1844
(5) 32.10 ft on 05/07/2019
(6) 30.94 ft on 06/04/2013
(7) 30.91 ft on 12/31/2015
(8) 30.80 ft on 06/29/2008
(9) 30.70 ft on 06/15/1858
(10) 30.40 ft on 05/29/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 20.66 ft on 04/11/2021 (P)
(2) 21.86 ft on 03/20/2021 (P)
(3) 19.48 ft on 07/03/2020
(4) 22.54 ft on 06/01/2020
(5) 22.38 ft on 03/31/2020
(6) 20.12 ft on 01/13/2020
(7) 20.25 ft on 11/02/2019
(8) 22.67 ft on 10/13/2019
(9) 35.17 ft on 06/07/2019
(10) 32.10 ft on 05/07/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -1.10 ft on 12/11/1937
(2) -0.80 ft on 12/30/1933
(3) -0.30 ft on 08/08/1936
Show More Low Water Records

Mississippi River At Mel Price (Alton) Lock and Dam (ALNI2)

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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
NOTE: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.
Flood Stage: 21 Feet
Latest Stage: 9.59
Current Warnings/Statements/Advisories:None currently.
at Mel Price (Alton) Lock and Dam
Tailwater (ft)Highest Observation: 14.92 ft at 2:00AM Jul 20, 2021Observed: 14.91 ft at 2:30AM Jul 20, 2021Observed: 14.89 ft at 3:00AM Jul 20, 2021Observed: 14.87 ft at 3:30AM Jul 20, 2021Observed: 14.86 ft at 4:00AM Jul 20, 2021Observed: 14.84 ft at 4:30AM Jul 20, 2021Observed: 14.81 ft at 5:00AM Jul 20, 2021Observed: 14.79 ft at 5:30AM Jul 20, 2021Observed: 14.76 ft at 6:00AM Jul 20, 2021Observed: 14.74 ft at 6:30AM Jul 20, 2021Observed: 14.7 ft at 7:00AM Jul 20, 2021Observed: 14.68 ft at 7:30AM Jul 20, 2021Observed: 14.65 ft at 8:00AM Jul 20, 2021Observed: 14.63 ft at 8:30AM Jul 20, 2021Observed: 14.61 ft at 9:00AM Jul 20, 2021Observed: 14.57 ft at 9:30AM Jul 20, 2021Observed: 14.54 ft at 10:00AM Jul 20, 2021Observed: 14.51 ft at 10:30AM Jul 20, 2021Observed: 14.48 ft at 11:00AM Jul 20, 2021Observed: 14.46 ft at 11:30AM Jul 20, 2021Observed: 14.44 ft at 12:00PM Jul 20, 2021Observed: 14.42 ft at 12:30PM Jul 20, 2021Observed: 14.4 ft at 1:00PM Jul 20, 2021Observed: 14.36 ft at 1:30PM Jul 20, 2021Observed: 14.33 ft at 2:00PM Jul 20, 2021Observed: 14.24 ft at 2:30PM Jul 20, 2021Observed: 14.15 ft at 3:00PM Jul 20, 2021Observed: 14.04 ft at 3:30PM Jul 20, 2021Observed: 13.93 ft at 4:00PM Jul 20, 2021Observed: 13.83 ft at 4:30PM Jul 20, 2021Observed: 13.74 ft at 5:00PM Jul 20, 2021Observed: 13.68 ft at 5:30PM Jul 20, 2021Observed: 13.62 ft at 6:00PM Jul 20, 2021Observed: 13.61 ft at 6:30PM Jul 20, 2021Observed: 13.6 ft at 7:00PM Jul 20, 2021Observed: 13.59 ft at 7:30PM Jul 20, 2021Observed: 13.59 ft at 8:00PM Jul 20, 2021Observed: 13.58 ft at 8:30PM Jul 20, 2021Observed: 13.58 ft at 9:00PM Jul 20, 2021Observed: 13.58 ft at 9:30PM Jul 20, 2021Observed: 13.57 ft at 10:00PM Jul 20, 2021Observed: 13.54 ft at 10:30PM Jul 20, 2021Observed: 13.52 ft at 11:00PM Jul 20, 2021Observed: 13.51 ft at 11:30PM Jul 20, 2021Observed: 13.49 ft at 12:00AM Jul 21, 2021Observed: 13.44 ft at 12:30AM Jul 21, 2021Observed: 13.4 ft at 1:00AM Jul 21, 2021Observed: 13.37 ft at 1:30AM Jul 21, 2021Observed: 13.34 ft at 2:00AM Jul 21, 2021Observed: 13.31 ft at 2:30AM Jul 21, 2021Observed: 13.29 ft at 3:00AM Jul 21, 2021Observed: 13.28 ft at 3:30AM Jul 21, 2021Observed: 13.26 ft at 4:00AM Jul 21, 2021Observed: 13.24 ft at 4:30AM Jul 21, 2021Observed: 13.22 ft at 5:00AM Jul 21, 2021Observed: 13.19 ft at 5:30AM Jul 21, 2021Observed: 13.17 ft at 6:00AM Jul 21, 2021Observed: 13.15 ft at 6:30AM Jul 21, 2021Observed: 13.13 ft at 7:00AM Jul 21, 2021Observed: 13.1 ft at 7:30AM Jul 21, 2021Observed: 13.08 ft at 8:00AM Jul 21, 2021Observed: 13.06 ft at 8:30AM Jul 21, 2021Observed: 12.98 ft at 9:00AM Jul 21, 2021Observed: 12.89 ft at 9:30AM Jul 21, 2021Observed: 12.81 ft at 10:00AM Jul 21, 2021Observed: 12.72 ft at 10:30AM Jul 21, 2021Observed: 12.62 ft at 11:00AM Jul 21, 2021Observed: 12.53 ft at 11:30AM Jul 21, 2021Observed: 12.45 ft at 12:00PM Jul 21, 2021Observed: 12.39 ft at 12:30PM Jul 21, 2021Observed: 12.37 ft at 1:00PM Jul 21, 2021Observed: 12.37 ft at 1:30PM Jul 21, 2021Observed: 12.28 ft at 2:00PM Jul 21, 2021Observed: 12.19 ft at 2:30PM Jul 21, 2021Observed: 12.11 ft at 3:00PM Jul 21, 2021Observed: 12.02 ft at 3:30PM Jul 21, 2021Observed: 11.94 ft at 4:00PM Jul 21, 2021Observed: 11.88 ft at 4:30PM Jul 21, 2021Observed: 11.87 ft at 5:00PM Jul 21, 2021Observed: 11.87 ft at 5:30PM Jul 21, 2021Observed: 11.87 ft at 6:00PM Jul 21, 2021Observed: 11.88 ft at 6:30PM Jul 21, 2021Observed: 11.89 ft at 7:00PM Jul 21, 2021Observed: 11.9 ft at 7:30PM Jul 21, 2021Observed: 11.89 ft at 8:00PM Jul 21, 2021Observed: 11.88 ft at 8:30PM Jul 21, 2021Observed: 11.86 ft at 9:00PM Jul 21, 2021Observed: 11.83 ft at 9:30PM Jul 21, 2021Observed: 11.81 ft at 10:00PM Jul 21, 2021Observed: 11.79 ft at 10:30PM Jul 21, 2021Observed: 11.76 ft at 11:00PM Jul 21, 2021Observed: 11.74 ft at 11:30PM Jul 21, 2021Observed: 11.72 ft at 12:00AM Jul 22, 2021Observed: 11.7 ft at 12:30AM Jul 22, 2021Observed: 11.68 ft at 1:00AM Jul 22, 2021Observed: 11.67 ft at 1:30AM Jul 22, 2021Observed: 11.65 ft at 2:00AM Jul 22, 2021Observed: 11.64 ft at 2:30AM Jul 22, 2021Observed: 11.63 ft at 3:00AM Jul 22, 2021Observed: 11.62 ft at 3:30AM Jul 22, 2021Observed: 11.61 ft at 4:00AM Jul 22, 2021Observed: 11.6 ft at 4:30AM Jul 22, 2021Observed: 11.59 ft at 5:00AM Jul 22, 2021Observed: 11.58 ft at 5:30AM Jul 22, 2021Observed: 11.57 ft at 6:00AM Jul 22, 2021Observed: 11.56 ft at 6:30AM Jul 22, 2021Observed: 11.55 ft at 7:00AM Jul 22, 2021Observed: 11.54 ft at 7:30AM Jul 22, 2021Observed: 11.54 ft at 8:00AM Jul 22, 2021Observed: 11.53 ft at 8:30AM Jul 22, 2021Observed: 11.52 ft at 9:00AM Jul 22, 2021Observed: 11.51 ft at 9:30AM Jul 22, 2021Observed: 11.5 ft at 10:00AM Jul 22, 2021Observed: 11.38 ft at 10:30AM Jul 22, 2021Observed: 11.25 ft at 11:00AM Jul 22, 2021Observed: 11.09 ft at 11:30AM Jul 22, 2021Observed: 10.87 ft at 12:00PM Jul 22, 2021Observed: 10.64 ft at 12:30PM Jul 22, 2021Observed: 10.44 ft at 1:00PM Jul 22, 2021Observed: 10.35 ft at 1:30PM Jul 22, 2021Observed: 10.27 ft at 2:00PM Jul 22, 2021Observed: 10.21 ft at 2:30PM Jul 22, 2021Observed: 10.26 ft at 3:00PM Jul 22, 2021Observed: 10.33 ft at 3:30PM Jul 22, 2021Observed: 10.4 ft at 4:00PM Jul 22, 2021Observed: 10.45 ft at 4:30PM Jul 22, 2021Observed: 10.5 ft at 5:00PM Jul 22, 2021Observed: 10.54 ft at 5:30PM Jul 22, 2021Observed: 10.58 ft at 6:00PM Jul 22, 2021Observed: 10.6 ft at 6:30PM Jul 22, 2021Observed: 10.62 ft at 7:00PM Jul 22, 2021Observed: 10.64 ft at 7:30PM Jul 22, 2021Observed: 10.64 ft at 8:00PM Jul 22, 2021Observed: 10.64 ft at 8:30PM Jul 22, 2021Observed: 10.64 ft at 9:00PM Jul 22, 2021Observed: 10.64 ft at 9:30PM Jul 22, 2021Observed: 10.63 ft at 10:00PM Jul 22, 2021Observed: 10.61 ft at 10:30PM Jul 22, 2021Observed: 10.59 ft at 11:00PM Jul 22, 2021Observed: 10.58 ft at 11:30PM Jul 22, 2021Observed: 10.56 ft at 12:00AM Jul 23, 2021Observed: 10.56 ft at 12:30AM Jul 23, 2021Observed: 10.56 ft at 1:00AM Jul 23, 2021Observed: 10.56 ft at 1:30AM Jul 23, 2021Observed: 10.58 ft at 2:00AM Jul 23, 2021Observed: 10.61 ft at 2:30AM Jul 23, 2021Observed: 10.63 ft at 3:00AM Jul 23, 2021Observed: 10.64 ft at 3:30AM Jul 23, 2021Observed: 10.65 ft at 4:00AM Jul 23, 2021Observed: 10.67 ft at 4:30AM Jul 23, 2021Observed: 10.68 ft at 5:00AM Jul 23, 2021Observed: 10.68 ft at 5:30AM Jul 23, 2021Observed: 10.68 ft at 6:00AM Jul 23, 2021Observed: 10.68 ft at 6:30AM Jul 23, 2021Observed: 10.68 ft at 7:00AM Jul 23, 2021Observed: 10.67 ft at 7:30AM Jul 23, 2021Observed: 10.67 ft at 8:00AM Jul 23, 2021Observed: 10.66 ft at 8:30AM Jul 23, 2021Observed: 10.65 ft at 9:00AM Jul 23, 2021Observed: 10.64 ft at 9:30AM Jul 23, 2021Observed: 10.63 ft at 10:00AM Jul 23, 2021Observed: 10.65 ft at 10:30AM Jul 23, 2021Observed: 10.66 ft at 11:00AM Jul 23, 2021Observed: 10.65 ft at 11:30AM Jul 23, 2021Observed: 10.64 ft at 12:00PM Jul 23, 2021Observed: 10.62 ft at 12:30PM Jul 23, 2021Observed: 10.6 ft at 1:00PM Jul 23, 2021Observed: 10.57 ft at 1:30PM Jul 23, 2021Observed: 10.56 ft at 2:00PM Jul 23, 2021Observed: 10.55 ft at 2:30PM Jul 23, 2021Observed: 10.53 ft at 3:00PM Jul 23, 2021Observed: 10.52 ft at 3:30PM Jul 23, 2021Observed: 10.51 ft at 4:00PM Jul 23, 2021Observed: 10.5 ft at 4:30PM Jul 23, 2021Observed: 10.5 ft at 5:00PM Jul 23, 2021Observed: 10.49 ft at 5:30PM Jul 23, 2021Observed: 10.47 ft at 6:00PM Jul 23, 2021Observed: 10.48 ft at 6:30PM Jul 23, 2021Observed: 10.47 ft at 7:00PM Jul 23, 2021Observed: 10.46 ft at 7:30PM Jul 23, 2021Observed: 10.46 ft at 8:00PM Jul 23, 2021Observed: 10.46 ft at 8:30PM Jul 23, 2021Observed: 10.46 ft at 9:00PM Jul 23, 2021Observed: 10.45 ft at 9:30PM Jul 23, 2021Observed: 10.46 ft at 10:00PM Jul 23, 2021Observed: 10.48 ft at 10:30PM Jul 23, 2021Observed: 10.49 ft at 11:00PM Jul 23, 2021Observed: 10.5 ft at 11:30PM Jul 23, 2021Observed: 10.51 ft at 12:00AM Jul 24, 2021Observed: 10.52 ft at 12:30AM Jul 24, 2021Observed: 10.52 ft at 1:00AM Jul 24, 2021Observed: 10.52 ft at 1:30AM Jul 24, 2021Observed: 10.53 ft at 2:00AM Jul 24, 2021Observed: 10.53 ft at 2:30AM Jul 24, 2021Observed: 10.52 ft at 3:00AM Jul 24, 2021Observed: 10.51 ft at 3:30AM Jul 24, 2021Observed: 10.51 ft at 4:00AM Jul 24, 2021Observed: 10.49 ft at 4:30AM Jul 24, 2021Observed: 10.45 ft at 5:00AM Jul 24, 2021Observed: 10.37 ft at 5:30AM Jul 24, 2021Observed: 10.3 ft at 6:00AM Jul 24, 2021Observed: 10.24 ft at 6:30AM Jul 24, 2021Observed: 10.17 ft at 7:00AM Jul 24, 2021Observed: 10.11 ft at 7:30AM Jul 24, 2021Observed: 10.06 ft at 8:00AM Jul 24, 2021Observed: 10.03 ft at 8:30AM Jul 24, 2021Observed: 10 ft at 9:00AM Jul 24, 2021Observed: 9.96 ft at 9:30AM Jul 24, 2021Observed: 9.95 ft at 10:00AM Jul 24, 2021Observed: 9.94 ft at 10:30AM Jul 24, 2021Observed: 9.92 ft at 11:00AM Jul 24, 2021Observed: 9.9 ft at 11:30AM Jul 24, 2021Observed: 9.89 ft at 12:00PM Jul 24, 2021Observed: 9.89 ft at 12:30PM Jul 24, 2021Observed: 9.88 ft at 1:00PM Jul 24, 2021Observed: 9.88 ft at 1:30PM Jul 24, 2021Observed: 9.87 ft at 2:00PM Jul 24, 2021Observed: 9.86 ft at 2:30PM Jul 24, 2021Observed: 9.86 ft at 3:00PM Jul 24, 2021Observed: 9.85 ft at 3:30PM Jul 24, 2021Observed: 9.84 ft at 4:00PM Jul 24, 2021Observed: 9.82 ft at 4:30PM Jul 24, 2021Observed: 9.82 ft at 5:00PM Jul 24, 2021Observed: 9.82 ft at 5:30PM Jul 24, 2021Observed: 9.79 ft at 6:00PM Jul 24, 2021Observed: 9.77 ft at 6:30PM Jul 24, 2021Observed: 9.75 ft at 7:00PM Jul 24, 2021Observed: 9.73 ft at 7:30PM Jul 24, 2021Observed: 9.72 ft at 8:00PM Jul 24, 2021Observed: 9.7 ft at 8:30PM Jul 24, 2021Observed: 9.67 ft at 9:00PM Jul 24, 2021Observed: 9.65 ft at 9:30PM Jul 24, 2021Observed: 9.64 ft at 10:00PM Jul 24, 2021Observed: 9.62 ft at 10:30PM Jul 24, 2021Observed: 9.62 ft at 11:00PM Jul 24, 2021Observed: 9.6 ft at 11:30PM Jul 24, 2021Observed: 9.6 ft at 12:00AM Jul 25, 2021Observed: 9.6 ft at 12:30AM Jul 25, 2021Observed: 9.59 ft at 1:00AM Jul 25, 2021Highest Forecast: 9.4 ft 7:00AM Jul 25, 2021Forecast: 9.2 ft 1:00PM Jul 25, 2021Forecast: 9.1 ft 7:00PM Jul 25, 2021Forecast: 8.9 ft 1:00AM Jul 26, 2021Forecast: 8.8 ft 7:00AM Jul 26, 2021Forecast: 8.6 ft 1:00PM Jul 26, 2021Forecast: 8.6 ft 7:00PM Jul 26, 2021Forecast: 8.5 ft 1:00AM Jul 27, 2021Forecast: 8.4 ft 7:00AM Jul 27, 2021Forecast: 8.4 ft 1:00PM Jul 27, 2021Forecast: 8.3 ft 7:00PM Jul 27, 2021Forecast: 8.3 ft 1:00AM Jul 28, 2021Forecast: 8.3 ft 7:00AM Jul 28, 2021Forecast: 8.3 ft 1:00PM Jul 28, 2021Forecast: 8.2 ft 7:00PM Jul 28, 2021Forecast: 8.2 ft 1:00AM Jul 29, 2021Forecast: 8.2 ft 7:00AM Jul 29, 2021Forecast: 8.1 ft 1:00PM Jul 29, 2021Forecast: 8.1 ft 7:00PM Jul 29, 2021Forecast: 8 ft 1:00AM Jul 30, 2021Forecast: 7.9 ft 7:00AM Jul 30, 2021Forecast: 7.8 ft 1:00PM Jul 30, 2021Forecast: 7.7 ft 7:00PM Jul 30, 2021Forecast: 7.7 ft 1:00AM Jul 31, 2021Forecast: 7.6 ft 7:00AM Jul 31, 2021Forecast: 7.5 ft 1:00PM Jul 31, 2021Forecast: 7.5 ft 7:00PM Jul 31, 2021Forecast: 7.4 ft 1:00AM Aug 01, 2021Forecast: 7.3 ft 7:00AM Aug 01, 2021Forecast: 7.3 ft 1:00PM Aug 01, 2021Forecast: 7.3 ft 7:00PM Aug 01, 2021Forecast: 7.2 ft 1:00AM Aug 02, 2021Forecast: 7.2 ft 7:00AM Aug 02, 2021Forecast: 7.2 ft 1:00PM Aug 02, 2021Forecast: 7.1 ft 7:00PM Aug 02, 2021Forecast: 7.1 ft 1:00AM Aug 03, 2021Forecast: 7.1 ft 7:00AM Aug 03, 2021Forecast: 7 ft 1:00PM Aug 03, 2021Forecast: 6.9 ft 7:00PM Aug 03, 2021Forecast: 6.8 ft 1:00AM Aug 04, 2021Forecast: 6.8 ft 7:00AM Aug 04, 2021Forecast: 6.7 ft 1:00PM Aug 04, 2021Forecast: 6.6 ft 7:00PM Aug 04, 2021Forecast: 6.4 ft 1:00AM Aug 05, 2021Forecast: 6.3 ft 7:00AM Aug 05, 2021Forecast: 6.2 ft 1:00PM Aug 05, 2021Forecast: 6.1 ft 7:00PM Aug 05, 2021Forecast: 6.1 ft 1:00AM Aug 06, 2021Forecast: 6 ft 7:00AM Aug 06, 2021Forecast: 5.9 ft 1:00PM Aug 06, 2021Forecast: 5.8 ft 7:00PM Aug 06, 2021Forecast: 5.7 ft 1:00AM Aug 07, 2021Forecast: 5.5 ft 7:00AM Aug 07, 2021Forecast: 5.4 ft 1:00PM Aug 07, 2021Forecast: 5.3 ft 7:00PM Aug 07, 2021USGS--Water Resources of the United StatesALNI2(plotting HTIRG) Graph Created (1:40AM Jul 25, 2021)ObservedForecast (issued 8:09PM Jul 24)Latest observed value: 9.59 ft at 1:00 AM CDT 25-Jul-2021. Flood Stage is 21 ft
Flood Categories (in feet)
Major Flood Stage: 34
Moderate Flood Stage: 29
Flood Stage: 21
Action Stage: 19
Low Stage (in feet): -9999

Historic Crests
(1) 42.72 ft on 08/01/1993
(2) 39.01 ft on 06/09/2019
(3) 36.90 ft on 06/18/1844
(4) 36.89 ft on 04/28/1973
(5) 35.80 ft on 01/01/2016
(6) 35.10 ft on 05/22/1995
(7) 34.86 ft on 05/06/2017
(8) 34.38 ft on 06/04/2013
(9) 34.20 ft on 10/09/1986
(10) 33.21 ft on 05/01/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.90 ft on 04/14/2021
(2) 25.04 ft on 03/20/2021
(3) 25.14 ft on 06/01/2020
(4) 22.16 ft on 05/19/2020
(5) 22.32 ft on 04/30/2020
(6) 23.72 ft on 03/25/2020
(7) 23.33 ft on 01/13/2020
(8) 21.55 ft on 11/02/2019
(9) 21.17 ft on 11/01/2019
(10) 25.35 ft on 10/12/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 11/07/1948
(2) 0.10 ft on 01/15/2003
(3) 0.73 ft on 01/16/2003
Show More Low Water Records
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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