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Hydrograph River at a Glance Download
Alabama River at Montgomery Stage (ft)Flow (kcfs)Highest Observation: 25.41 ft at 7:00AM Jan 19, 2022Observed: 25.27 ft at 8:00AM Jan 19, 2022Observed: 25.1 ft at 9:00AM Jan 19, 2022Observed: 25.07 ft at 10:00AM Jan 19, 2022Observed: 25.01 ft at 11:00AM Jan 19, 2022Observed: 25 ft at 12:00PM Jan 19, 2022Observed: 25.04 ft at 1:00PM Jan 19, 2022Observed: 25.06 ft at 2:00PM Jan 19, 2022Observed: 25.08 ft at 3:00PM Jan 19, 2022Observed: 25.02 ft at 4:00PM Jan 19, 2022Observed: 24.94 ft at 5:00PM Jan 19, 2022Observed: 24.83 ft at 6:00PM Jan 19, 2022Observed: 24.73 ft at 7:00PM Jan 19, 2022Observed: 24.64 ft at 8:00PM Jan 19, 2022Observed: 24.54 ft at 9:00PM Jan 19, 2022Observed: 24.38 ft at 10:00PM Jan 19, 2022Observed: 24.37 ft at 11:00PM Jan 19, 2022Observed: 24.29 ft at 12:00AM Jan 20, 2022Observed: 24.2 ft at 1:00AM Jan 20, 2022Observed: 24.16 ft at 2:00AM Jan 20, 2022Observed: 24.08 ft at 3:00AM Jan 20, 2022Observed: 24.02 ft at 4:00AM Jan 20, 2022Observed: 23.98 ft at 5:00AM Jan 20, 2022Observed: 23.89 ft at 6:00AM Jan 20, 2022Observed: 23.85 ft at 7:00AM Jan 20, 2022Observed: 23.8 ft at 8:00AM Jan 20, 2022Observed: 23.75 ft at 9:00AM Jan 20, 2022Observed: 23.68 ft at 10:00AM Jan 20, 2022Observed: 23.63 ft at 11:00AM Jan 20, 2022Observed: 23.59 ft at 12:00PM Jan 20, 2022Observed: 23.57 ft at 1:00PM Jan 20, 2022Observed: 23.73 ft at 2:00PM Jan 20, 2022Observed: 23.88 ft at 3:00PM Jan 20, 2022Observed: 23.99 ft at 4:00PM Jan 20, 2022Observed: 24.05 ft at 5:00PM Jan 20, 2022Observed: 24.04 ft at 6:00PM Jan 20, 2022Observed: 24.04 ft at 7:00PM Jan 20, 2022Observed: 24.08 ft at 8:00PM Jan 20, 2022Observed: 24.13 ft at 9:00PM Jan 20, 2022Observed: 24.22 ft at 10:00PM Jan 20, 2022Observed: 24.29 ft at 11:00PM Jan 20, 2022Observed: 24.36 ft at 12:00AM Jan 21, 2022Observed: 24.43 ft at 1:00AM Jan 21, 2022Observed: 24.52 ft at 2:00AM Jan 21, 2022Observed: 24.6 ft at 3:00AM Jan 21, 2022Observed: 24.65 ft at 4:00AM Jan 21, 2022Observed: 24.7 ft at 5:00AM Jan 21, 2022Observed: 24.77 ft at 6:00AM Jan 21, 2022Observed: 24.84 ft at 7:00AM Jan 21, 2022Observed: 24.9 ft at 8:00AM Jan 21, 2022Observed: 24.96 ft at 9:00AM Jan 21, 2022Observed: 25.01 ft at 10:00AM Jan 21, 2022Observed: 24.91 ft at 11:00AM Jan 21, 2022Observed: 24.9 ft at 12:00PM Jan 21, 2022Observed: 24.8 ft at 1:00PM Jan 21, 2022Observed: 24.74 ft at 2:00PM Jan 21, 2022Observed: 24.67 ft at 3:00PM Jan 21, 2022Observed: 24.6 ft at 4:00PM Jan 21, 2022Observed: 24.55 ft at 5:00PM Jan 21, 2022Observed: 24.49 ft at 6:00PM Jan 21, 2022Observed: 24.43 ft at 7:00PM Jan 21, 2022Observed: 24.38 ft at 8:00PM Jan 21, 2022Observed: 24.34 ft at 9:00PM Jan 21, 2022Observed: 24.29 ft at 10:00PM Jan 21, 2022Observed: 24.25 ft at 11:00PM Jan 21, 2022Observed: 24.22 ft at 12:00AM Jan 22, 2022Observed: 24.19 ft at 1:00AM Jan 22, 2022Observed: 24.16 ft at 2:00AM Jan 22, 2022Observed: 23.99 ft at 3:00AM Jan 22, 2022Observed: 23.88 ft at 4:00AM Jan 22, 2022Observed: 23.75 ft at 5:00AM Jan 22, 2022Highest Forecast: 24.6 ft 12:00PM Jan 22, 2022Forecast: 24 ft 6:00PM Jan 22, 2022Forecast: 23.9 ft 12:00AM Jan 23, 2022Forecast: 23.8 ft 6:00AM Jan 23, 2022Forecast: 23.6 ft 12:00PM Jan 23, 2022Forecast: 23.5 ft 6:00PM Jan 23, 2022Forecast: 23.5 ft 12:00AM Jan 24, 2022Forecast: 23.4 ft 6:00AM Jan 24, 2022Forecast: 23.4 ft 12:00PM Jan 24, 2022Forecast: 23.4 ft 6:00PM Jan 24, 2022Forecast: 23.4 ft 12:00AM Jan 25, 2022Forecast: 23.3 ft 6:00AM Jan 25, 2022Forecast: 23.3 ft 12:00PM Jan 25, 2022Forecast: 23.3 ft 6:00PM Jan 25, 2022Forecast: 23.2 ft 12:00AM Jan 26, 2022Forecast: 23.2 ft 6:00AM Jan 26, 2022MGMA1(plotting HGIRG) Graph Created (6:30AM Jan 22, 2022)ObservedForecast (issued 7:15AM Jan 21)Latest observed value: 23.75 ft at 5:00 AM CST 22-Jan-2022. Flood Stage is 35 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: Not Available
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Alabama River at Montgomery are issued routinely year-round.

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Downstream Gauge Downstream Gauge - at Henry Lock and Dam
Flood Categories (in feet)
Major Flood Stage: 53
Moderate Flood Stage: 45
Flood Stage: 35
Action Stage: 26
Low Stage (in feet): -9999

Historic Crests
(1) 59.70 ft on 04/01/1886
(2) 58.10 ft on 02/26/1961
(3) 57.10 ft on 12/11/1919
(4) 56.90 ft on 03/17/1929
(5) 56.00 ft on 11/30/1948
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(P): Preliminary values subject to further review.

Recent Crests
(1) 42.89 ft on 03/07/2020
(2) 34.98 ft on 12/26/2019
(3) 37.33 ft on 12/31/2018
(4) 30.63 ft on 02/14/2018
(5) 44.60 ft on 12/27/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -4.00 ft on 09/22/1925
(2) -3.90 ft on 09/01/1925
(3) -3.90 ft on 10/13/1925
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For more information on your flood risk go to

Zoom Level:14
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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58 Extensive flooding of industrial and residential property occurs. Several square miles of industrial and residential property are flooded.
53 Residential flooding becomes widespread in portions of North Montgomery and numerous evacuations may be necessary. The railroad bridge become flooded around 56 feet.
45 Residential flooding begins in portions of North Montgomery. Evacuations will likely be need at stages around 50 feet or higher.
35 Extensive flooding of low lands in the area occurs.
26 Some flooding of low lying areas and secondary roads begins in the Montgomery area. Flooding of the golf course at Maxwell Air Force Base and portions of River Road occurs at stages around 30 feet and higher.
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21 Ft International Paper cannot discharge wastewater and stores it in ponds.
8930 cfs International Paper Prattville Paper Mill discharges must be limited when river flow falls below this.
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Latitude: 32.392222° N, Longitude: 86.315278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 35 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 103.3 ft 138.3 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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
National Weather Service
Birmingham Weather Forecast Office
465 Weathervane Road
Calera, AL 35040-5427
(205) 664-3010
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Page last modified: 2-Nov-2020 7:29 PM
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