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Hydrograph River at a Glance Download
Mississippi River at Alma Stage (ft)Flow (kcfs)Observed: 4.93 ft at 12:00PM Oct 17, 2014Observed: 4.94 ft at 4:00PM Oct 17, 2014Observed: 4.94 ft at 8:00PM Oct 17, 2014Observed: 4.94 ft at 12:00AM Oct 18, 2014Observed: 4.95 ft at 4:00AM Oct 18, 2014Highest Observation: 4.97 ft at 6:00AM Oct 18, 2014Highest Observation: 4.97 ft at 8:00AM Oct 18, 2014Observed: 4.85 ft at 12:00PM Oct 18, 2014Observed: 4.88 ft at 4:00PM Oct 18, 2014Observed: 4.91 ft at 8:00PM Oct 18, 2014Observed: 4.91 ft at 12:00AM Oct 19, 2014Observed: 4.84 ft at 4:00AM Oct 19, 2014Observed: 4.79 ft at 6:00AM Oct 19, 2014Observed: 4.79 ft at 8:00AM Oct 19, 2014Observed: 4.81 ft at 12:00PM Oct 19, 2014Observed: 4.82 ft at 4:00PM Oct 19, 2014Observed: 4.84 ft at 8:00PM Oct 19, 2014Observed: 4.86 ft at 12:00AM Oct 20, 2014Observed: 4.89 ft at 4:00AM Oct 20, 2014Observed: 4.91 ft at 6:00AM Oct 20, 2014Observed: 4.91 ft at 8:00AM Oct 20, 2014Highest Forecast: 4.8 ft 1:00PM Oct 20, 2014Highest Forecast: 4.8 ft 7:00PM Oct 20, 2014Highest Forecast: 4.8 ft 1:00AM Oct 21, 2014Highest Forecast: 4.8 ft 7:00AM Oct 21, 2014Highest Forecast: 4.8 ft 1:00PM Oct 21, 2014Highest Forecast: 4.8 ft 7:00PM Oct 21, 2014Forecast: 4.7 ft 1:00AM Oct 22, 2014Forecast: 4.7 ft 7:00AM Oct 22, 2014Forecast: 4.7 ft 1:00PM Oct 22, 2014Forecast: 4.7 ft 7:00PM Oct 22, 2014Forecast: 4.7 ft 1:00AM Oct 23, 2014Forecast: 4.7 ft 7:00AM Oct 23, 2014Forecast: 4.7 ft 1:00PM Oct 23, 2014Forecast: 4.7 ft 7:00PM Oct 23, 2014Forecast: 4.7 ft 1:00AM Oct 24, 2014Forecast: 4.6 ft 7:00AM Oct 24, 2014Forecast: 4.6 ft 1:00PM Oct 24, 2014Forecast: 4.6 ft 7:00PM Oct 24, 2014Forecast: 4.6 ft 1:00AM Oct 25, 2014Forecast: 4.6 ft 7:00AM Oct 25, 2014Forecast: 4.6 ft 1:00PM Oct 25, 2014Forecast: 4.6 ft 7:00PM Oct 25, 2014Forecast: 4.6 ft 1:00AM Oct 26, 2014Forecast: 4.6 ft 7:00AM Oct 26, 2014ALMW3(plotting HGIRZ) Graph Created (8:00AM Oct 20, 2014)ObservedForecast (issued 9:24AM Oct 19)Latest observed value: 4.91 ft at 8:00 AM CDT 20-Oct-2014. Flood Stage is 16 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
Metadata
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: Forecasts for the Mississippi River at Alma are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - at Wabasha Upstream Gauge Downstream Gauge Downstream Gauge - at Minnesota City
Flood Categories (in feet)
Major Flood Stage:18
Moderate Flood Stage:17
Flood Stage:16
Action Stage:10

Historical Crests
(1) 19.78 ft on 04/19/1965
(2) 18.15 ft on 04/16/2001
(3) 17.53 ft on 04/18/1969
(4) 16.30 ft on 04/18/1952
(5) 16.20 ft on 04/16/1951
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.40 ft on 01/22/1944
(2) 1.83 ft on 12/12/1960
(3) 2.61 ft on 07/22/1936
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
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Disclaimer
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
20 Water reaches the top of the protective earthen dike.
19.8 The water reaches the flood of record set in 1965.
16.5 Agriculture and recreational land is flooded.
16 Lock gates and walls at Dam 4 go under water.
15.5 Lock and Dam 4 is closed to navigation.
Photos
(1) Upstream View, May 9, 2007
(2) Downstream View, May 9, 2007
About This Location Collapse

Latitude: 44.326389° N, Longitude: 91.919167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 656 ft 672 ft U.S. Army Corps of Engineers utilizes the 1912 Datum
Additional Information Collapse
  • How low could the river get?
  • Link to text page with Hourly River Stage Level and Water Temperatures
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    Hydrologic Resources Additional Resources
    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
    National Weather Service
    La Crosse Weather Forecast Office
    N2788 County Rd FA
    La Crosse, WI 54601
    (608) 784-7294
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    Page last modified: 5-Aug-2014 6:38 PM
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