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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: 25.28
Current Warnings/Statements/Advisories:Flood Warning
at Winfield Lock and Dam 25
Tailwater (ft)Flow (kcfs)Highest Observation: 25.93 ft at 5:00AM May 21, 2024Observed: 25.92 ft at 5:30AM May 21, 2024Observed: 25.89 ft at 6:00AM May 21, 2024Observed: 25.9 ft at 6:30AM May 21, 2024Observed: 25.89 ft at 7:00AM May 21, 2024Observed: 25.76 ft at 12:00PM May 21, 2024Observed: 25.74 ft at 12:30PM May 21, 2024Observed: 25.75 ft at 1:00PM May 21, 2024Observed: 25.72 ft at 1:30PM May 21, 2024Observed: 25.72 ft at 2:00PM May 21, 2024Observed: 25.71 ft at 2:30PM May 21, 2024Observed: 25.69 ft at 3:00PM May 21, 2024Observed: 25.67 ft at 3:30PM May 21, 2024Observed: 25.67 ft at 4:00PM May 21, 2024Observed: 25.65 ft at 4:30PM May 21, 2024Observed: 25.64 ft at 5:00PM May 21, 2024Observed: 25.63 ft at 5:30PM May 21, 2024Observed: 25.6 ft at 6:00PM May 21, 2024Observed: 25.6 ft at 6:30PM May 21, 2024Observed: 25.59 ft at 7:00PM May 21, 2024Observed: 25.58 ft at 7:30PM May 21, 2024Observed: 25.57 ft at 8:00PM May 21, 2024Observed: 25.58 ft at 8:30PM May 21, 2024Observed: 25.56 ft at 9:00PM May 21, 2024Observed: 25.58 ft at 9:30PM May 21, 2024Observed: 25.57 ft at 10:00PM May 21, 2024Observed: 25.57 ft at 10:30PM May 21, 2024Observed: 25.55 ft at 11:00PM May 21, 2024Observed: 25.52 ft at 11:30PM May 21, 2024Observed: 25.54 ft at 12:00AM May 22, 2024Observed: 25.54 ft at 12:30AM May 22, 2024Observed: 25.52 ft at 1:00AM May 22, 2024Observed: 25.52 ft at 1:30AM May 22, 2024Observed: 25.5 ft at 2:00AM May 22, 2024Observed: 25.48 ft at 2:30AM May 22, 2024Observed: 25.48 ft at 3:00AM May 22, 2024Observed: 25.46 ft at 3:30AM May 22, 2024Observed: 25.46 ft at 4:00AM May 22, 2024Observed: 25.45 ft at 4:30AM May 22, 2024Observed: 25.43 ft at 5:00AM May 22, 2024Observed: 25.42 ft at 5:30AM May 22, 2024Observed: 25.4 ft at 6:00AM May 22, 2024Observed: 25.38 ft at 6:30AM May 22, 2024Observed: 25.37 ft at 7:00AM May 22, 2024Observed: 25.36 ft at 7:30AM May 22, 2024Observed: 25.34 ft at 8:00AM May 22, 2024Observed: 25.33 ft at 8:30AM May 22, 2024Observed: 25.31 ft at 9:00AM May 22, 2024Observed: 25.29 ft at 9:30AM May 22, 2024Observed: 25.27 ft at 10:00AM May 22, 2024Observed: 25.26 ft at 10:30AM May 22, 2024Observed: 25.24 ft at 11:00AM May 22, 2024Observed: 25.23 ft at 11:30AM May 22, 2024Observed: 25.19 ft at 12:00PM May 22, 2024Observed: 25.15 ft at 1:00PM May 22, 2024Observed: 25.16 ft at 1:30PM May 22, 2024Observed: 25.15 ft at 2:00PM May 22, 2024Observed: 25.14 ft at 2:30PM May 22, 2024Observed: 25.13 ft at 3:00PM May 22, 2024Observed: 25.11 ft at 3:30PM May 22, 2024Observed: 25.07 ft at 4:00PM May 22, 2024Observed: 25.07 ft at 4:30PM May 22, 2024Observed: 25.04 ft at 5:00PM May 22, 2024Observed: 25.05 ft at 5:30PM May 22, 2024Observed: 25.04 ft at 6:00PM May 22, 2024Observed: 25.03 ft at 6:30PM May 22, 2024Observed: 25.02 ft at 7:00PM May 22, 2024Observed: 25 ft at 7:30PM May 22, 2024Observed: 24.99 ft at 8:00PM May 22, 2024Observed: 24.98 ft at 8:30PM May 22, 2024Observed: 24.96 ft at 9:00PM May 22, 2024Observed: 24.95 ft at 9:30PM May 22, 2024Observed: 24.94 ft at 10:00PM May 22, 2024Observed: 24.92 ft at 10:30PM May 22, 2024Observed: 24.9 ft at 11:00PM May 22, 2024Observed: 24.89 ft at 11:30PM May 22, 2024Observed: 24.87 ft at 12:00AM May 23, 2024Observed: 24.85 ft at 12:30AM May 23, 2024Observed: 24.85 ft at 1:00AM May 23, 2024Observed: 24.83 ft at 1:30AM May 23, 2024Observed: 24.82 ft at 2:00AM May 23, 2024Observed: 24.82 ft at 2:30AM May 23, 2024Observed: 24.8 ft at 3:00AM May 23, 2024Observed: 24.78 ft at 3:30AM May 23, 2024Observed: 24.77 ft at 4:00AM May 23, 2024Observed: 24.75 ft at 4:30AM May 23, 2024Observed: 24.75 ft at 5:00AM May 23, 2024Observed: 24.74 ft at 5:30AM May 23, 2024Observed: 24.71 ft at 6:00AM May 23, 2024Observed: 24.7 ft at 6:30AM May 23, 2024Observed: 24.7 ft at 7:00AM May 23, 2024Observed: 24.68 ft at 7:30AM May 23, 2024Observed: 24.67 ft at 8:00AM May 23, 2024Observed: 24.66 ft at 8:30AM May 23, 2024Observed: 24.65 ft at 9:00AM May 23, 2024Observed: 24.63 ft at 9:30AM May 23, 2024Observed: 24.63 ft at 10:00AM May 23, 2024Observed: 24.61 ft at 10:30AM May 23, 2024Observed: 24.6 ft at 11:00AM May 23, 2024Observed: 24.6 ft at 11:30AM May 23, 2024Observed: 24.59 ft at 12:00PM May 23, 2024Observed: 24.58 ft at 12:30PM May 23, 2024Observed: 24.56 ft at 1:00PM May 23, 2024Observed: 24.56 ft at 1:30PM May 23, 2024Observed: 24.56 ft at 2:00PM May 23, 2024Observed: 24.55 ft at 2:30PM May 23, 2024Observed: 24.55 ft at 3:00PM May 23, 2024Observed: 24.52 ft at 3:30PM May 23, 2024Observed: 24.53 ft at 4:00PM May 23, 2024Observed: 24.53 ft at 4:30PM May 23, 2024Observed: 24.52 ft at 5:00PM May 23, 2024Observed: 24.54 ft at 5:30PM May 23, 2024Observed: 24.51 ft at 6:00PM May 23, 2024Observed: 24.5 ft at 6:30PM May 23, 2024Observed: 24.49 ft at 7:00PM May 23, 2024Observed: 24.49 ft at 7:30PM May 23, 2024Observed: 24.48 ft at 8:00PM May 23, 2024Observed: 24.49 ft at 8:30PM May 23, 2024Observed: 24.48 ft at 9:00PM May 23, 2024Observed: 24.48 ft at 9:30PM May 23, 2024Observed: 24.48 ft at 10:00PM May 23, 2024Observed: 24.48 ft at 10:30PM May 23, 2024Observed: 24.47 ft at 11:00PM May 23, 2024Observed: 24.47 ft at 11:30PM May 23, 2024Observed: 24.46 ft at 12:00AM May 24, 2024Observed: 24.46 ft at 12:30AM May 24, 2024Observed: 24.41 ft at 1:00AM May 24, 2024Observed: 24.45 ft at 1:30AM May 24, 2024Observed: 24.44 ft at 2:00AM May 24, 2024Observed: 24.44 ft at 2:30AM May 24, 2024Observed: 24.43 ft at 3:00AM May 24, 2024Observed: 24.43 ft at 3:30AM May 24, 2024Observed: 24.43 ft at 4:00AM May 24, 2024Observed: 24.42 ft at 4:30AM May 24, 2024Observed: 24.42 ft at 5:00AM May 24, 2024Observed: 24.41 ft at 5:30AM May 24, 2024Observed: 24.41 ft at 6:00AM May 24, 2024Observed: 24.4 ft at 6:30AM May 24, 2024Observed: 24.39 ft at 7:00AM May 24, 2024Observed: 24.39 ft at 7:30AM May 24, 2024Observed: 24.39 ft at 8:00AM May 24, 2024Observed: 24.39 ft at 8:30AM May 24, 2024Observed: 24.38 ft at 9:00AM May 24, 2024Observed: 24.37 ft at 9:30AM May 24, 2024Observed: 24.38 ft at 10:00AM May 24, 2024Observed: 24.33 ft at 10:30AM May 24, 2024Observed: 24.36 ft at 11:00AM May 24, 2024Observed: 24.36 ft at 11:30AM May 24, 2024Observed: 24.35 ft at 12:00PM May 24, 2024Observed: 24.36 ft at 12:30PM May 24, 2024Observed: 24.34 ft at 1:00PM May 24, 2024Observed: 24.35 ft at 1:30PM May 24, 2024Observed: 24.34 ft at 2:00PM May 24, 2024Observed: 24.35 ft at 2:30PM May 24, 2024Observed: 24.36 ft at 3:00PM May 24, 2024Observed: 24.37 ft at 3:30PM May 24, 2024Observed: 24.4 ft at 4:00PM May 24, 2024Observed: 24.42 ft at 4:30PM May 24, 2024Observed: 24.42 ft at 5:00PM May 24, 2024Observed: 24.44 ft at 5:30PM May 24, 2024Observed: 24.44 ft at 6:00PM May 24, 2024Observed: 24.44 ft at 6:30PM May 24, 2024Observed: 24.44 ft at 7:00PM May 24, 2024Observed: 24.5 ft at 7:30PM May 24, 2024Observed: 24.5 ft at 8:00PM May 24, 2024Observed: 24.53 ft at 8:30PM May 24, 2024Observed: 24.57 ft at 9:00PM May 24, 2024Observed: 24.6 ft at 9:30PM May 24, 2024Observed: 24.63 ft at 10:00PM May 24, 2024Observed: 24.69 ft at 10:30PM May 24, 2024Observed: 24.72 ft at 11:00PM May 24, 2024Observed: 24.77 ft at 11:30PM May 24, 2024Observed: 24.81 ft at 12:00AM May 25, 2024Observed: 24.86 ft at 12:30AM May 25, 2024Observed: 24.91 ft at 1:00AM May 25, 2024Observed: 24.96 ft at 1:30AM May 25, 2024Observed: 25.01 ft at 2:00AM May 25, 2024Observed: 25.05 ft at 2:30AM May 25, 2024Observed: 25.09 ft at 3:00AM May 25, 2024Observed: 25.14 ft at 3:30AM May 25, 2024Observed: 25.18 ft at 4:00AM May 25, 2024Observed: 25.4 ft at 6:30AM May 25, 2024Observed: 25.36 ft at 7:00AM May 25, 2024Observed: 25.4 ft at 7:30AM May 25, 2024Observed: 25.41 ft at 8:00AM May 25, 2024Observed: 25.38 ft at 8:30AM May 25, 2024Observed: 25.45 ft at 9:00AM May 25, 2024Observed: 25.46 ft at 9:30AM May 25, 2024Observed: 25.47 ft at 10:00AM May 25, 2024Observed: 25.47 ft at 10:30AM May 25, 2024Observed: 25.47 ft at 11:00AM May 25, 2024Observed: 25.47 ft at 11:30AM May 25, 2024Observed: 25.48 ft at 12:00PM May 25, 2024Observed: 25.49 ft at 12:30PM May 25, 2024Observed: 25.48 ft at 1:00PM May 25, 2024Observed: 25.48 ft at 1:30PM May 25, 2024Observed: 25.49 ft at 2:00PM May 25, 2024Observed: 25.5 ft at 2:30PM May 25, 2024Observed: 25.49 ft at 3:00PM May 25, 2024Observed: 25.49 ft at 3:30PM May 25, 2024Observed: 25.49 ft at 4:00PM May 25, 2024Observed: 25.49 ft at 4:30PM May 25, 2024Observed: 25.49 ft at 5:00PM May 25, 2024Observed: 25.48 ft at 5:30PM May 25, 2024Observed: 25.47 ft at 6:00PM May 25, 2024Observed: 25.47 ft at 6:30PM May 25, 2024Observed: 25.45 ft at 7:00PM May 25, 2024Observed: 25.45 ft at 7:30PM May 25, 2024Observed: 25.45 ft at 8:00PM May 25, 2024Observed: 25.43 ft at 8:30PM May 25, 2024Observed: 25.43 ft at 9:00PM May 25, 2024Observed: 25.43 ft at 9:30PM May 25, 2024Observed: 25.41 ft at 10:00PM May 25, 2024Observed: 25.41 ft at 10:30PM May 25, 2024Observed: 25.39 ft at 11:00PM May 25, 2024Observed: 25.39 ft at 11:30PM May 25, 2024Observed: 25.37 ft at 12:00AM May 26, 2024Observed: 25.36 ft at 12:30AM May 26, 2024Observed: 25.35 ft at 1:00AM May 26, 2024Observed: 25.34 ft at 1:30AM May 26, 2024Observed: 25.33 ft at 2:00AM May 26, 2024Observed: 25.32 ft at 2:30AM May 26, 2024Observed: 25.32 ft at 3:00AM May 26, 2024Observed: 25.3 ft at 3:30AM May 26, 2024Observed: 25.3 ft at 4:00AM May 26, 2024Forecast: 25.6 ft 7:00AM May 26, 2024Forecast: 25.6 ft 1:00PM May 26, 2024Forecast: 25.6 ft 7:00PM May 26, 2024Forecast: 25.6 ft 1:00AM May 27, 2024Forecast: 25.6 ft 7:00AM May 27, 2024Forecast: 25.6 ft 1:00PM May 27, 2024Forecast: 25.6 ft 7:00PM May 27, 2024Forecast: 25.7 ft 1:00AM May 28, 2024Forecast: 25.7 ft 7:00AM May 28, 2024Forecast: 25.8 ft 1:00PM May 28, 2024Forecast: 26 ft 7:00PM May 28, 2024Forecast: 26.2 ft 1:00AM May 29, 2024Forecast: 26.4 ft 7:00AM May 29, 2024Forecast: 26.7 ft 1:00PM May 29, 2024Forecast: 27 ft 7:00PM May 29, 2024Forecast: 27.1 ft 1:00AM May 30, 2024Forecast: 27.3 ft 7:00AM May 30, 2024Forecast: 27.4 ft 1:00PM May 30, 2024Forecast: 27.6 ft 7:00PM May 30, 2024Forecast: 27.7 ft 1:00AM May 31, 2024Forecast: 27.9 ft 7:00AM May 31, 2024Forecast: 27.9 ft 1:00PM May 31, 2024Forecast: 27.9 ft 7:00PM May 31, 2024Forecast: 28 ft 1:00AM Jun 01, 2024Forecast: 28.1 ft 7:00AM Jun 01, 2024Highest Forecast: 28.2 ft 1:00PM Jun 01, 2024Forecast: 28.1 ft 7:00PM Jun 01, 2024Forecast: 28.1 ft 1:00AM Jun 02, 2024Forecast: 28.1 ft 7:00AM Jun 02, 2024Forecast: 28.1 ft 1:00PM Jun 02, 2024Forecast: 28 ft 7:00PM Jun 02, 2024Forecast: 28 ft 1:00AM Jun 03, 2024Forecast: 27.9 ft 7:00AM Jun 03, 2024Forecast: 27.9 ft 1:00PM Jun 03, 2024Forecast: 27.8 ft 7:00PM Jun 03, 2024Forecast: 27.7 ft 1:00AM Jun 04, 2024Forecast: 27.7 ft 7:00AM Jun 04, 2024Forecast: 27.6 ft 1:00PM Jun 04, 2024Forecast: 27.6 ft 7:00PM Jun 04, 2024Forecast: 27.5 ft 1:00AM Jun 05, 2024Forecast: 27.5 ft 7:00AM Jun 05, 2024Forecast: 27.4 ft 1:00PM Jun 05, 2024Forecast: 27.3 ft 7:00PM Jun 05, 2024Forecast: 27.3 ft 1:00AM Jun 06, 2024Forecast: 27.2 ft 7:00AM Jun 06, 2024Forecast: 27.1 ft 1:00PM Jun 06, 2024Forecast: 27.1 ft 7:00PM Jun 06, 2024Forecast: 27 ft 1:00AM Jun 07, 2024Forecast: 27 ft 7:00AM Jun 07, 2024Forecast: 26.9 ft 1:00PM Jun 07, 2024Forecast: 26.8 ft 7:00PM Jun 07, 2024Forecast: 26.8 ft 1:00AM Jun 08, 2024Forecast: 26.7 ft 7:00AM Jun 08, 2024Forecast: 26.7 ft 1:00PM Jun 08, 2024Forecast: 26.6 ft 7:00PM Jun 08, 2024CAGM7(plotting HTIRG) Graph Created (4:40AM May 26, 2024)ObservedForecast (issued 8:31PM May 25)Latest observed value: 25.3 ft at 4:00 AM CDT 26-May-2024. 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) 38.59 ft on 06/04/2019
(3) 37.08 ft on 06/27/2008
(4) 36.93 ft on 04/27/1973
(5) 35.40 ft on 04/23/2013
(6) 34.70 ft on 07/10/2014
(7) 34.68 ft on 05/18/2001
(8) 34.39 ft on 12/30/2015
(9) 34.20 ft on 04/14/1979
(10) 33.98 ft on 04/07/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 26.96 ft on 05/15/2024
(2) 30.24 ft on 05/07/2023
(3) 27.70 ft on 04/14/2021
(4) 27.83 ft on 03/20/2021
(5) 27.23 ft on 07/03/2020
(6) 27.79 ft on 06/13/2020
(7) 26.21 ft on 05/18/2020
(8) 29.49 ft on 04/01/2020
(9) 29.61 ft on 10/19/2019
(10) 38.59 ft on 06/04/2019
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: 18.75
Current Warnings/Statements/Advisories:Flood Warning
at Grafton
Stage (ft)Highest Observation: 19.02 ft at 5:00AM May 21, 2024Highest Observation: 19.02 ft at 5:30AM May 21, 2024Observed: 19 ft at 6:00AM May 21, 2024Observed: 18.99 ft at 6:30AM May 21, 2024Observed: 18.99 ft at 7:00AM May 21, 2024Observed: 18.89 ft at 12:00PM May 21, 2024Observed: 18.87 ft at 12:30PM May 21, 2024Observed: 18.85 ft at 1:00PM May 21, 2024Observed: 18.83 ft at 1:30PM May 21, 2024Observed: 18.82 ft at 2:00PM May 21, 2024Observed: 18.77 ft at 2:30PM May 21, 2024Observed: 18.79 ft at 3:00PM May 21, 2024Observed: 18.79 ft at 3:30PM May 21, 2024Observed: 18.8 ft at 4:00PM May 21, 2024Observed: 18.76 ft at 4:30PM May 21, 2024Observed: 18.73 ft at 5:00PM May 21, 2024Observed: 18.72 ft at 5:30PM May 21, 2024Observed: 18.71 ft at 6:00PM May 21, 2024Observed: 18.68 ft at 6:30PM May 21, 2024Observed: 18.69 ft at 7:00PM May 21, 2024Observed: 18.66 ft at 7:30PM May 21, 2024Observed: 18.69 ft at 8:00PM May 21, 2024Observed: 18.71 ft at 8:30PM May 21, 2024Observed: 18.67 ft at 9:00PM May 21, 2024Observed: 18.64 ft at 9:30PM May 21, 2024Observed: 18.66 ft at 10:00PM May 21, 2024Observed: 18.66 ft at 10:30PM May 21, 2024Observed: 18.64 ft at 11:00PM May 21, 2024Observed: 18.63 ft at 11:30PM May 21, 2024Observed: 18.62 ft at 12:00AM May 22, 2024Observed: 18.63 ft at 12:30AM May 22, 2024Observed: 18.63 ft at 1:00AM May 22, 2024Observed: 18.62 ft at 1:30AM May 22, 2024Observed: 18.63 ft at 2:00AM May 22, 2024Observed: 18.61 ft at 2:30AM May 22, 2024Observed: 18.61 ft at 3:00AM May 22, 2024Observed: 18.59 ft at 3:30AM May 22, 2024Observed: 18.59 ft at 4:00AM May 22, 2024Observed: 18.57 ft at 4:30AM May 22, 2024Observed: 18.59 ft at 5:00AM May 22, 2024Observed: 18.56 ft at 5:30AM May 22, 2024Observed: 18.54 ft at 6:00AM May 22, 2024Observed: 18.54 ft at 6:30AM May 22, 2024Observed: 18.53 ft at 7:00AM May 22, 2024Observed: 18.52 ft at 7:30AM May 22, 2024Observed: 18.52 ft at 8:00AM May 22, 2024Observed: 18.51 ft at 8:30AM May 22, 2024Observed: 18.45 ft at 9:00AM May 22, 2024Observed: 18.48 ft at 9:30AM May 22, 2024Observed: 18.49 ft at 10:00AM May 22, 2024Observed: 18.45 ft at 10:30AM May 22, 2024Observed: 18.45 ft at 11:00AM May 22, 2024Observed: 18.42 ft at 11:30AM May 22, 2024Observed: 18.4 ft at 12:00PM May 22, 2024Observed: 18.4 ft at 12:30PM May 22, 2024Observed: 18.4 ft at 1:00PM May 22, 2024Observed: 18.37 ft at 1:30PM May 22, 2024Observed: 18.38 ft at 2:00PM May 22, 2024Observed: 18.37 ft at 2:30PM May 22, 2024Observed: 18.32 ft at 3:00PM May 22, 2024Observed: 18.31 ft at 3:30PM May 22, 2024Observed: 18.3 ft at 4:00PM May 22, 2024Observed: 18.29 ft at 4:30PM May 22, 2024Observed: 18.29 ft at 5:00PM May 22, 2024Observed: 18.27 ft at 5:30PM May 22, 2024Observed: 18.26 ft at 6:00PM May 22, 2024Observed: 18.25 ft at 6:30PM May 22, 2024Observed: 18.22 ft at 7:00PM May 22, 2024Observed: 18.22 ft at 7:30PM May 22, 2024Observed: 18.22 ft at 8:00PM May 22, 2024Observed: 18.2 ft at 8:30PM May 22, 2024Observed: 18.2 ft at 9:00PM May 22, 2024Observed: 18.2 ft at 9:30PM May 22, 2024Observed: 18.17 ft at 10:00PM May 22, 2024Observed: 18.15 ft at 10:30PM May 22, 2024Observed: 18.12 ft at 11:00PM May 22, 2024Observed: 18.11 ft at 11:30PM May 22, 2024Observed: 18.1 ft at 12:00AM May 23, 2024Observed: 18.08 ft at 12:30AM May 23, 2024Observed: 18.09 ft at 1:00AM May 23, 2024Observed: 18.07 ft at 1:30AM May 23, 2024Observed: 18.05 ft at 2:00AM May 23, 2024Observed: 18.05 ft at 2:30AM May 23, 2024Observed: 18.03 ft at 3:00AM May 23, 2024Observed: 18.03 ft at 3:30AM May 23, 2024Observed: 18.02 ft at 4:00AM May 23, 2024Observed: 18.02 ft at 4:30AM May 23, 2024Observed: 17.98 ft at 5:00AM May 23, 2024Observed: 17.99 ft at 5:30AM May 23, 2024Observed: 17.99 ft at 6:00AM May 23, 2024Observed: 17.97 ft at 6:30AM May 23, 2024Observed: 17.97 ft at 7:00AM May 23, 2024Observed: 17.95 ft at 7:30AM May 23, 2024Observed: 17.9 ft at 8:00AM May 23, 2024Observed: 17.93 ft at 8:30AM May 23, 2024Observed: 17.92 ft at 9:00AM May 23, 2024Observed: 17.91 ft at 9:30AM May 23, 2024Observed: 17.9 ft at 10:00AM May 23, 2024Observed: 17.9 ft at 10:30AM May 23, 2024Observed: 17.89 ft at 11:00AM May 23, 2024Observed: 17.89 ft at 11:30AM May 23, 2024Observed: 17.88 ft at 12:00PM May 23, 2024Observed: 17.86 ft at 12:30PM May 23, 2024Observed: 17.86 ft at 1:00PM May 23, 2024Observed: 17.84 ft at 1:30PM May 23, 2024Observed: 17.84 ft at 2:00PM May 23, 2024Observed: 17.83 ft at 2:30PM May 23, 2024Observed: 17.83 ft at 3:00PM May 23, 2024Observed: 17.81 ft at 3:30PM May 23, 2024Observed: 17.8 ft at 4:00PM May 23, 2024Observed: 17.79 ft at 4:30PM May 23, 2024Observed: 17.78 ft at 5:00PM May 23, 2024Observed: 17.79 ft at 5:30PM May 23, 2024Observed: 17.77 ft at 6:00PM May 23, 2024Observed: 17.77 ft at 6:30PM May 23, 2024Observed: 17.76 ft at 7:00PM May 23, 2024Observed: 17.75 ft at 7:30PM May 23, 2024Observed: 17.74 ft at 8:00PM May 23, 2024Observed: 17.73 ft at 8:30PM May 23, 2024Observed: 17.73 ft at 9:00PM May 23, 2024Observed: 17.73 ft at 9:30PM May 23, 2024Observed: 17.71 ft at 10:00PM May 23, 2024Observed: 17.71 ft at 10:30PM May 23, 2024Observed: 17.7 ft at 11:00PM May 23, 2024Observed: 17.68 ft at 11:30PM May 23, 2024Observed: 17.68 ft at 12:00AM May 24, 2024Observed: 17.69 ft at 12:30AM May 24, 2024Observed: 17.69 ft at 1:00AM May 24, 2024Observed: 17.66 ft at 1:30AM May 24, 2024Observed: 17.66 ft at 2:00AM May 24, 2024Observed: 17.66 ft at 2:30AM May 24, 2024Observed: 17.65 ft at 3:00AM May 24, 2024Observed: 17.65 ft at 3:30AM May 24, 2024Observed: 17.64 ft at 4:00AM May 24, 2024Observed: 17.66 ft at 4:30AM May 24, 2024Observed: 17.62 ft at 5:00AM May 24, 2024Observed: 17.62 ft at 5:30AM May 24, 2024Observed: 17.61 ft at 6:00AM May 24, 2024Observed: 17.61 ft at 6:30AM May 24, 2024Observed: 17.61 ft at 7:00AM May 24, 2024Observed: 17.59 ft at 7:30AM May 24, 2024Observed: 17.58 ft at 8:00AM May 24, 2024Observed: 17.58 ft at 8:30AM May 24, 2024Observed: 17.57 ft at 9:00AM May 24, 2024Observed: 17.58 ft at 9:30AM May 24, 2024Observed: 17.56 ft at 10:00AM May 24, 2024Observed: 17.56 ft at 10:30AM May 24, 2024Observed: 17.55 ft at 11:00AM May 24, 2024Observed: 17.56 ft at 11:30AM May 24, 2024Observed: 17.54 ft at 12:00PM May 24, 2024Observed: 17.55 ft at 12:30PM May 24, 2024Observed: 17.52 ft at 1:00PM May 24, 2024Observed: 17.53 ft at 1:30PM May 24, 2024Observed: 17.53 ft at 2:00PM May 24, 2024Observed: 17.53 ft at 2:30PM May 24, 2024Observed: 17.6 ft at 3:00PM May 24, 2024Observed: 17.56 ft at 3:30PM May 24, 2024Observed: 17.56 ft at 4:00PM May 24, 2024Observed: 17.54 ft at 4:30PM May 24, 2024Observed: 17.56 ft at 5:00PM May 24, 2024Observed: 17.52 ft at 5:30PM May 24, 2024Observed: 17.52 ft at 6:00PM May 24, 2024Observed: 17.52 ft at 6:30PM May 24, 2024Observed: 17.55 ft at 7:00PM May 24, 2024Observed: 17.6 ft at 7:30PM May 24, 2024Observed: 17.64 ft at 8:00PM May 24, 2024Observed: 17.7 ft at 8:30PM May 24, 2024Observed: 17.77 ft at 9:00PM May 24, 2024Observed: 17.83 ft at 9:30PM May 24, 2024Observed: 17.86 ft at 10:00PM May 24, 2024Observed: 17.92 ft at 10:30PM May 24, 2024Observed: 17.95 ft at 11:00PM May 24, 2024Observed: 18.01 ft at 11:30PM May 24, 2024Observed: 18.06 ft at 12:00AM May 25, 2024Observed: 18.09 ft at 12:30AM May 25, 2024Observed: 18.16 ft at 1:00AM May 25, 2024Observed: 18.18 ft at 1:30AM May 25, 2024Observed: 18.23 ft at 2:00AM May 25, 2024Observed: 18.27 ft at 2:30AM May 25, 2024Observed: 18.32 ft at 3:00AM May 25, 2024Observed: 18.38 ft at 3:30AM May 25, 2024Observed: 18.34 ft at 4:00AM May 25, 2024Observed: 18.46 ft at 4:30AM May 25, 2024Observed: 18.48 ft at 5:00AM May 25, 2024Observed: 18.52 ft at 5:30AM May 25, 2024Observed: 18.55 ft at 6:00AM May 25, 2024Observed: 18.59 ft at 6:30AM May 25, 2024Observed: 18.6 ft at 7:00AM May 25, 2024Observed: 18.63 ft at 7:30AM May 25, 2024Observed: 18.62 ft at 8:00AM May 25, 2024Observed: 18.66 ft at 8:30AM May 25, 2024Observed: 18.68 ft at 9:00AM May 25, 2024Observed: 18.68 ft at 9:30AM May 25, 2024Observed: 18.71 ft at 10:00AM May 25, 2024Observed: 18.73 ft at 10:30AM May 25, 2024Observed: 18.73 ft at 11:00AM May 25, 2024Observed: 18.73 ft at 11:30AM May 25, 2024Observed: 18.73 ft at 12:00PM May 25, 2024Observed: 18.75 ft at 12:30PM May 25, 2024Observed: 18.74 ft at 1:00PM May 25, 2024Observed: 18.73 ft at 1:30PM May 25, 2024Observed: 18.74 ft at 2:00PM May 25, 2024Observed: 18.75 ft at 2:30PM May 25, 2024Observed: 18.72 ft at 3:00PM May 25, 2024Observed: 18.72 ft at 3:30PM May 25, 2024Observed: 18.74 ft at 4:00PM May 25, 2024Observed: 18.75 ft at 4:30PM May 25, 2024Observed: 18.77 ft at 5:00PM May 25, 2024Observed: 18.76 ft at 5:30PM May 25, 2024Observed: 18.77 ft at 6:00PM May 25, 2024Observed: 18.78 ft at 6:30PM May 25, 2024Observed: 18.77 ft at 7:00PM May 25, 2024Observed: 18.77 ft at 7:30PM May 25, 2024Observed: 18.79 ft at 8:00PM May 25, 2024Observed: 18.78 ft at 8:30PM May 25, 2024Observed: 18.78 ft at 9:00PM May 25, 2024Observed: 18.78 ft at 9:30PM May 25, 2024Observed: 18.79 ft at 10:00PM May 25, 2024Observed: 18.78 ft at 10:30PM May 25, 2024Observed: 18.79 ft at 11:00PM May 25, 2024Observed: 18.8 ft at 11:30PM May 25, 2024Observed: 18.77 ft at 12:00AM May 26, 2024Observed: 18.79 ft at 12:30AM May 26, 2024Observed: 18.77 ft at 1:00AM May 26, 2024Observed: 18.77 ft at 1:30AM May 26, 2024Observed: 18.78 ft at 2:00AM May 26, 2024Observed: 18.76 ft at 2:30AM May 26, 2024Observed: 18.76 ft at 3:00AM May 26, 2024Observed: 18.75 ft at 3:30AM May 26, 2024Observed: 18.76 ft at 4:00AM May 26, 2024Forecast: 18.9 ft 7:00AM May 26, 2024Forecast: 19 ft 1:00PM May 26, 2024Forecast: 19.1 ft 7:00PM May 26, 2024Forecast: 19.2 ft 1:00AM May 27, 2024Forecast: 19.2 ft 7:00AM May 27, 2024Forecast: 19.3 ft 1:00PM May 27, 2024Forecast: 19.3 ft 7:00PM May 27, 2024Forecast: 19.4 ft 1:00AM May 28, 2024Forecast: 19.5 ft 7:00AM May 28, 2024Forecast: 19.5 ft 1:00PM May 28, 2024Forecast: 19.5 ft 7:00PM May 28, 2024Forecast: 19.5 ft 1:00AM May 29, 2024Forecast: 19.5 ft 7:00AM May 29, 2024Forecast: 19.5 ft 1:00PM May 29, 2024Forecast: 19.6 ft 7:00PM May 29, 2024Forecast: 19.7 ft 1:00AM May 30, 2024Forecast: 19.9 ft 7:00AM May 30, 2024Forecast: 20 ft 1:00PM May 30, 2024Forecast: 20.1 ft 7:00PM May 30, 2024Forecast: 20.2 ft 1:00AM May 31, 2024Forecast: 20.2 ft 7:00AM May 31, 2024Forecast: 20.3 ft 1:00PM May 31, 2024Highest Forecast: 20.4 ft 7:00PM May 31, 2024Highest Forecast: 20.4 ft 1:00AM Jun 01, 2024Highest Forecast: 20.4 ft 7:00AM Jun 01, 2024Highest Forecast: 20.4 ft 1:00PM Jun 01, 2024Highest Forecast: 20.4 ft 7:00PM Jun 01, 2024Highest Forecast: 20.4 ft 1:00AM Jun 02, 2024Highest Forecast: 20.4 ft 7:00AM Jun 02, 2024Highest Forecast: 20.4 ft 1:00PM Jun 02, 2024Forecast: 20.3 ft 7:00PM Jun 02, 2024Forecast: 20.3 ft 1:00AM Jun 03, 2024Forecast: 20.3 ft 7:00AM Jun 03, 2024Forecast: 20.2 ft 1:00PM Jun 03, 2024Forecast: 20.1 ft 7:00PM Jun 03, 2024Forecast: 20.1 ft 1:00AM Jun 04, 2024Forecast: 20 ft 7:00AM Jun 04, 2024Forecast: 19.9 ft 1:00PM Jun 04, 2024Forecast: 19.8 ft 7:00PM Jun 04, 2024Forecast: 19.7 ft 1:00AM Jun 05, 2024Forecast: 19.6 ft 7:00AM Jun 05, 2024Forecast: 19.5 ft 1:00PM Jun 05, 2024Forecast: 19.4 ft 7:00PM Jun 05, 2024Forecast: 19.3 ft 1:00AM Jun 06, 2024Forecast: 19.2 ft 7:00AM Jun 06, 2024Forecast: 19.1 ft 1:00PM Jun 06, 2024Forecast: 19 ft 7:00PM Jun 06, 2024Forecast: 18.9 ft 1:00AM Jun 07, 2024Forecast: 18.8 ft 7:00AM Jun 07, 2024Forecast: 18.7 ft 1:00PM Jun 07, 2024Forecast: 18.6 ft 7:00PM Jun 07, 2024Forecast: 18.5 ft 1:00AM Jun 08, 2024Forecast: 18.4 ft 7:00AM Jun 08, 2024Forecast: 18.3 ft 1:00PM Jun 08, 2024Forecast: 18.2 ft 7:00PM Jun 08, 2024USGS--Water Resources of the United StatesGRFI2(plotting HGIRG) Graph Created (4:40AM May 26, 2024)ObservedForecast (issued 8:31PM May 25)Latest observed value: 18.76 ft at 4:00 AM CDT 26-May-2024. 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) 20.13 ft on 05/16/2024
(2) 20.71 ft on 05/02/2024
(3) 20.80 ft on 05/10/2023
(4) 21.28 ft on 05/07/2022
(5) 20.66 ft on 04/14/2021
(6) 21.86 ft on 03/20/2021
(7) 19.48 ft on 07/03/2020
(8) 22.54 ft on 06/01/2020
(9) 22.38 ft on 03/31/2020
(10) 20.12 ft on 01/13/2020
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: 17.58
Current Warnings/Statements/Advisories:Flood Watch
at Mel Price (Alton) Lock and Dam
Tailwater (ft)Highest Observation: 18.71 ft at 5:00AM May 21, 2024Observed: 18.69 ft at 5:30AM May 21, 2024Observed: 18.67 ft at 6:00AM May 21, 2024Observed: 18.65 ft at 6:30AM May 21, 2024Observed: 18.63 ft at 7:00AM May 21, 2024Observed: 18.43 ft at 12:00PM May 21, 2024Observed: 18.42 ft at 12:30PM May 21, 2024Observed: 18.4 ft at 1:00PM May 21, 2024Observed: 18.39 ft at 1:30PM May 21, 2024Observed: 18.37 ft at 2:00PM May 21, 2024Observed: 18.36 ft at 2:30PM May 21, 2024Observed: 18.34 ft at 3:00PM May 21, 2024Observed: 18.33 ft at 3:30PM May 21, 2024Observed: 18.31 ft at 4:00PM May 21, 2024Observed: 18.29 ft at 4:30PM May 21, 2024Observed: 18.28 ft at 5:00PM May 21, 2024Observed: 18.26 ft at 5:30PM May 21, 2024Observed: 18.25 ft at 6:00PM May 21, 2024Observed: 18.23 ft at 6:30PM May 21, 2024Observed: 18.22 ft at 7:00PM May 21, 2024Observed: 18.2 ft at 7:30PM May 21, 2024Observed: 18.19 ft at 8:00PM May 21, 2024Observed: 18.17 ft at 8:30PM May 21, 2024Observed: 18.16 ft at 9:00PM May 21, 2024Observed: 18.15 ft at 9:30PM May 21, 2024Observed: 18.13 ft at 10:00PM May 21, 2024Observed: 18.12 ft at 10:30PM May 21, 2024Observed: 18.1 ft at 11:00PM May 21, 2024Observed: 18.09 ft at 11:30PM May 21, 2024Observed: 18.07 ft at 12:00AM May 22, 2024Observed: 18.05 ft at 12:30AM May 22, 2024Observed: 18.04 ft at 1:00AM May 22, 2024Observed: 18.02 ft at 1:30AM May 22, 2024Observed: 18.01 ft at 2:00AM May 22, 2024Observed: 17.99 ft at 2:30AM May 22, 2024Observed: 17.98 ft at 3:00AM May 22, 2024Observed: 17.97 ft at 3:30AM May 22, 2024Observed: 17.95 ft at 4:00AM May 22, 2024Observed: 17.94 ft at 4:30AM May 22, 2024Observed: 17.93 ft at 5:00AM May 22, 2024Observed: 17.91 ft at 5:30AM May 22, 2024Observed: 17.9 ft at 6:00AM May 22, 2024Observed: 17.88 ft at 6:30AM May 22, 2024Observed: 17.87 ft at 7:00AM May 22, 2024Observed: 17.85 ft at 7:30AM May 22, 2024Observed: 17.84 ft at 8:00AM May 22, 2024Observed: 17.83 ft at 8:30AM May 22, 2024Observed: 17.81 ft at 9:00AM May 22, 2024Observed: 17.8 ft at 9:30AM May 22, 2024Observed: 17.79 ft at 10:00AM May 22, 2024Observed: 17.77 ft at 10:30AM May 22, 2024Observed: 17.76 ft at 11:00AM May 22, 2024Observed: 17.75 ft at 11:30AM May 22, 2024Observed: 17.73 ft at 12:00PM May 22, 2024Observed: 17.72 ft at 12:30PM May 22, 2024Observed: 17.7 ft at 1:00PM May 22, 2024Observed: 17.69 ft at 1:30PM May 22, 2024Observed: 17.68 ft at 2:00PM May 22, 2024Observed: 17.66 ft at 2:30PM May 22, 2024Observed: 17.65 ft at 3:00PM May 22, 2024Observed: 17.64 ft at 3:30PM May 22, 2024Observed: 17.62 ft at 4:00PM May 22, 2024Observed: 17.61 ft at 4:30PM May 22, 2024Observed: 17.6 ft at 5:00PM May 22, 2024Observed: 17.58 ft at 5:30PM May 22, 2024Observed: 17.57 ft at 6:00PM May 22, 2024Observed: 17.55 ft at 6:30PM May 22, 2024Observed: 17.53 ft at 7:00PM May 22, 2024Observed: 17.52 ft at 7:30PM May 22, 2024Observed: 17.5 ft at 8:00PM May 22, 2024Observed: 17.48 ft at 8:30PM May 22, 2024Observed: 17.47 ft at 9:00PM May 22, 2024Observed: 17.45 ft at 9:30PM May 22, 2024Observed: 17.43 ft at 10:00PM May 22, 2024Observed: 17.42 ft at 10:30PM May 22, 2024Observed: 17.4 ft at 11:00PM May 22, 2024Observed: 17.39 ft at 11:30PM May 22, 2024Observed: 17.37 ft at 12:00AM May 23, 2024Observed: 17.36 ft at 12:30AM May 23, 2024Observed: 17.34 ft at 1:00AM May 23, 2024Observed: 17.33 ft at 1:30AM May 23, 2024Observed: 17.31 ft at 2:00AM May 23, 2024Observed: 17.29 ft at 2:30AM May 23, 2024Observed: 17.27 ft at 3:00AM May 23, 2024Observed: 17.26 ft at 3:30AM May 23, 2024Observed: 17.24 ft at 4:00AM May 23, 2024Observed: 17.22 ft at 4:30AM May 23, 2024Observed: 17.21 ft at 5:00AM May 23, 2024Observed: 17.19 ft at 5:30AM May 23, 2024Observed: 17.17 ft at 6:00AM May 23, 2024Observed: 17.15 ft at 6:30AM May 23, 2024Observed: 17.14 ft at 7:00AM May 23, 2024Observed: 17.12 ft at 7:30AM May 23, 2024Observed: 17.1 ft at 8:00AM May 23, 2024Observed: 17.08 ft at 8:30AM May 23, 2024Observed: 17.07 ft at 9:00AM May 23, 2024Observed: 17.05 ft at 9:30AM May 23, 2024Observed: 17.03 ft at 10:00AM May 23, 2024Observed: 17.01 ft at 10:30AM May 23, 2024Observed: 16.99 ft at 11:00AM May 23, 2024Observed: 16.98 ft at 11:30AM May 23, 2024Observed: 16.96 ft at 12:00PM May 23, 2024Observed: 16.94 ft at 12:30PM May 23, 2024Observed: 16.93 ft at 1:00PM May 23, 2024Observed: 16.91 ft at 1:30PM May 23, 2024Observed: 16.89 ft at 2:00PM May 23, 2024Observed: 16.87 ft at 2:30PM May 23, 2024Observed: 16.86 ft at 3:00PM May 23, 2024Observed: 16.84 ft at 3:30PM May 23, 2024Observed: 16.82 ft at 4:00PM May 23, 2024Observed: 16.81 ft at 4:30PM May 23, 2024Observed: 16.79 ft at 5:00PM May 23, 2024Observed: 16.78 ft at 5:30PM May 23, 2024Observed: 16.76 ft at 6:00PM May 23, 2024Observed: 16.75 ft at 6:30PM May 23, 2024Observed: 16.73 ft at 7:00PM May 23, 2024Observed: 16.72 ft at 7:30PM May 23, 2024Observed: 16.7 ft at 8:00PM May 23, 2024Observed: 16.69 ft at 8:30PM May 23, 2024Observed: 16.68 ft at 9:00PM May 23, 2024Observed: 16.67 ft at 9:30PM May 23, 2024Observed: 16.65 ft at 10:00PM May 23, 2024Observed: 16.64 ft at 10:30PM May 23, 2024Observed: 16.62 ft at 11:00PM May 23, 2024Observed: 16.61 ft at 11:30PM May 23, 2024Observed: 16.59 ft at 12:00AM May 24, 2024Observed: 16.58 ft at 12:30AM May 24, 2024Observed: 16.56 ft at 1:00AM May 24, 2024Observed: 16.54 ft at 1:30AM May 24, 2024Observed: 16.53 ft at 2:00AM May 24, 2024Observed: 16.51 ft at 2:30AM May 24, 2024Observed: 16.5 ft at 3:00AM May 24, 2024Observed: 16.48 ft at 3:30AM May 24, 2024Observed: 16.47 ft at 4:00AM May 24, 2024Observed: 16.45 ft at 4:30AM May 24, 2024Observed: 16.44 ft at 5:00AM May 24, 2024Observed: 16.42 ft at 5:30AM May 24, 2024Observed: 16.41 ft at 6:00AM May 24, 2024Observed: 16.4 ft at 6:30AM May 24, 2024Observed: 16.39 ft at 7:00AM May 24, 2024Observed: 16.38 ft at 7:30AM May 24, 2024Observed: 16.36 ft at 8:00AM May 24, 2024Observed: 16.35 ft at 8:30AM May 24, 2024Observed: 16.35 ft at 9:00AM May 24, 2024Observed: 16.33 ft at 9:30AM May 24, 2024Observed: 16.32 ft at 10:00AM May 24, 2024Observed: 16.31 ft at 10:30AM May 24, 2024Observed: 16.3 ft at 11:00AM May 24, 2024Observed: 16.29 ft at 11:30AM May 24, 2024Observed: 16.27 ft at 12:00PM May 24, 2024Observed: 16.26 ft at 12:30PM May 24, 2024Observed: 16.25 ft at 1:00PM May 24, 2024Observed: 16.24 ft at 1:30PM May 24, 2024Observed: 16.24 ft at 2:00PM May 24, 2024Observed: 16.23 ft at 2:30PM May 24, 2024Observed: 16.22 ft at 3:00PM May 24, 2024Observed: 16.22 ft at 3:30PM May 24, 2024Observed: 16.21 ft at 4:00PM May 24, 2024Observed: 16.2 ft at 4:30PM May 24, 2024Observed: 16.19 ft at 5:00PM May 24, 2024Observed: 16.19 ft at 5:30PM May 24, 2024Observed: 16.18 ft at 6:00PM May 24, 2024Observed: 16.17 ft at 6:30PM May 24, 2024Observed: 16.16 ft at 7:00PM May 24, 2024Observed: 16.15 ft at 7:30PM May 24, 2024Observed: 16.14 ft at 8:00PM May 24, 2024Observed: 16.13 ft at 8:30PM May 24, 2024Observed: 16.12 ft at 9:00PM May 24, 2024Observed: 16.12 ft at 9:30PM May 24, 2024Observed: 16.11 ft at 10:00PM May 24, 2024Observed: 16.11 ft at 10:30PM May 24, 2024Observed: 16.1 ft at 11:00PM May 24, 2024Observed: 16.1 ft at 11:30PM May 24, 2024Observed: 16.1 ft at 12:00AM May 25, 2024Observed: 16.1 ft at 12:30AM May 25, 2024Observed: 16.1 ft at 1:00AM May 25, 2024Observed: 16.1 ft at 1:30AM May 25, 2024Observed: 16.11 ft at 2:00AM May 25, 2024Observed: 16.11 ft at 2:30AM May 25, 2024Observed: 16.11 ft at 3:00AM May 25, 2024Observed: 16.12 ft at 3:30AM May 25, 2024Observed: 16.13 ft at 4:00AM May 25, 2024Observed: 16.13 ft at 4:30AM May 25, 2024Observed: 16.14 ft at 5:00AM May 25, 2024Observed: 16.16 ft at 5:30AM May 25, 2024Observed: 16.18 ft at 6:00AM May 25, 2024Observed: 16.2 ft at 6:30AM May 25, 2024Observed: 16.22 ft at 7:00AM May 25, 2024Observed: 16.25 ft at 7:30AM May 25, 2024Observed: 16.28 ft at 8:00AM May 25, 2024Observed: 16.31 ft at 8:30AM May 25, 2024Observed: 16.34 ft at 9:00AM May 25, 2024Observed: 16.37 ft at 9:30AM May 25, 2024Observed: 16.4 ft at 10:00AM May 25, 2024Observed: 16.47 ft at 10:30AM May 25, 2024Observed: 16.55 ft at 11:00AM May 25, 2024Observed: 16.63 ft at 11:30AM May 25, 2024Observed: 16.7 ft at 12:00PM May 25, 2024Observed: 16.77 ft at 12:30PM May 25, 2024Observed: 16.83 ft at 1:00PM May 25, 2024Observed: 16.89 ft at 1:30PM May 25, 2024Observed: 16.94 ft at 2:00PM May 25, 2024Observed: 17 ft at 2:30PM May 25, 2024Observed: 17.04 ft at 3:00PM May 25, 2024Observed: 17.09 ft at 3:30PM May 25, 2024Observed: 17.12 ft at 4:00PM May 25, 2024Observed: 17.16 ft at 4:30PM May 25, 2024Observed: 17.19 ft at 5:00PM May 25, 2024Observed: 17.22 ft at 5:30PM May 25, 2024Observed: 17.25 ft at 6:00PM May 25, 2024Observed: 17.28 ft at 6:30PM May 25, 2024Observed: 17.3 ft at 7:00PM May 25, 2024Observed: 17.32 ft at 7:30PM May 25, 2024Observed: 17.34 ft at 8:00PM May 25, 2024Observed: 17.37 ft at 8:30PM May 25, 2024Observed: 17.38 ft at 9:00PM May 25, 2024Observed: 17.4 ft at 9:30PM May 25, 2024Observed: 17.42 ft at 10:00PM May 25, 2024Observed: 17.43 ft at 10:30PM May 25, 2024Observed: 17.45 ft at 11:00PM May 25, 2024Observed: 17.46 ft at 11:30PM May 25, 2024Observed: 17.48 ft at 12:00AM May 26, 2024Observed: 17.49 ft at 12:30AM May 26, 2024Observed: 17.5 ft at 1:00AM May 26, 2024Observed: 17.51 ft at 1:30AM May 26, 2024Observed: 17.53 ft at 2:00AM May 26, 2024Observed: 17.54 ft at 2:30AM May 26, 2024Observed: 17.55 ft at 3:00AM May 26, 2024Observed: 17.56 ft at 3:30AM May 26, 2024Observed: 17.57 ft at 4:00AM May 26, 2024Forecast: 17.8 ft 7:00AM May 26, 2024Forecast: 18.1 ft 1:00PM May 26, 2024Forecast: 18.3 ft 7:00PM May 26, 2024Forecast: 18.6 ft 1:00AM May 27, 2024Forecast: 18.8 ft 7:00AM May 27, 2024Forecast: 19.1 ft 1:00PM May 27, 2024Forecast: 19.3 ft 7:00PM May 27, 2024Forecast: 19.5 ft 1:00AM May 28, 2024Forecast: 19.6 ft 7:00AM May 28, 2024Forecast: 19.6 ft 1:00PM May 28, 2024Forecast: 19.6 ft 7:00PM May 28, 2024Forecast: 19.6 ft 1:00AM May 29, 2024Forecast: 19.6 ft 7:00AM May 29, 2024Forecast: 19.5 ft 1:00PM May 29, 2024Forecast: 19.5 ft 7:00PM May 29, 2024Forecast: 19.4 ft 1:00AM May 30, 2024Forecast: 19.4 ft 7:00AM May 30, 2024Forecast: 19.5 ft 1:00PM May 30, 2024Forecast: 19.5 ft 7:00PM May 30, 2024Forecast: 19.6 ft 1:00AM May 31, 2024Forecast: 19.6 ft 7:00AM May 31, 2024Forecast: 19.7 ft 1:00PM May 31, 2024Forecast: 19.7 ft 7:00PM May 31, 2024Forecast: 19.8 ft 1:00AM Jun 01, 2024Forecast: 19.9 ft 7:00AM Jun 01, 2024Forecast: 19.9 ft 1:00PM Jun 01, 2024Highest Forecast: 20 ft 7:00PM Jun 01, 2024Highest Forecast: 20 ft 1:00AM Jun 02, 2024Highest Forecast: 20 ft 7:00AM Jun 02, 2024Highest Forecast: 20 ft 1:00PM Jun 02, 2024Forecast: 19.9 ft 7:00PM Jun 02, 2024Forecast: 19.9 ft 1:00AM Jun 03, 2024Forecast: 19.8 ft 7:00AM Jun 03, 2024Forecast: 19.8 ft 1:00PM Jun 03, 2024Forecast: 19.7 ft 7:00PM Jun 03, 2024Forecast: 19.6 ft 1:00AM Jun 04, 2024Forecast: 19.5 ft 7:00AM Jun 04, 2024Forecast: 19.4 ft 1:00PM Jun 04, 2024Forecast: 19.3 ft 7:00PM Jun 04, 2024Forecast: 19.2 ft 1:00AM Jun 05, 2024Forecast: 19.1 ft 7:00AM Jun 05, 2024Forecast: 19.1 ft 1:00PM Jun 05, 2024Forecast: 19 ft 7:00PM Jun 05, 2024Forecast: 18.9 ft 1:00AM Jun 06, 2024Forecast: 18.8 ft 7:00AM Jun 06, 2024Forecast: 18.7 ft 1:00PM Jun 06, 2024Forecast: 18.6 ft 7:00PM Jun 06, 2024Forecast: 18.5 ft 1:00AM Jun 07, 2024Forecast: 18.4 ft 7:00AM Jun 07, 2024Forecast: 18.3 ft 1:00PM Jun 07, 2024Forecast: 18.2 ft 7:00PM Jun 07, 2024Forecast: 18.1 ft 1:00AM Jun 08, 2024Forecast: 18 ft 7:00AM Jun 08, 2024Forecast: 17.9 ft 1:00PM Jun 08, 2024Forecast: 17.7 ft 7:00PM Jun 08, 2024USGS--Water Resources of the United StatesALNI2(plotting HTIRG) Graph Created (4:40AM May 26, 2024)ObservedForecast (issued 8:31PM May 25)Latest observed value: 17.57 ft at 4:00 AM CDT 26-May-2024. 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) 23.62 ft on 05/02/2024
(2) 23.17 ft on 06/28/2021
(3) 22.90 ft on 04/14/2021
(4) 25.04 ft on 03/20/2021
(5) 25.14 ft on 06/01/2020
(6) 22.16 ft on 05/19/2020
(7) 22.32 ft on 04/30/2020
(8) 23.72 ft on 03/25/2020
(9) 23.33 ft on 01/13/2020
(10) 21.55 ft on 11/02/2019
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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