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Hydrograph River at a Glance Download
Mississippi River at Alma Stage (ft)Flow (kcfs)Observed: 4.97 ft at 6:00AM Aug 28, 2015Highest Observation: 5 ft at 12:00PM Aug 28, 2015Observed: 4.99 ft at 4:00PM Aug 28, 2015Observed: 4.99 ft at 8:00PM Aug 28, 2015Observed: 4.95 ft at 12:00AM Aug 29, 2015Observed: 4.97 ft at 4:00AM Aug 29, 2015Observed: 4.96 ft at 6:00AM Aug 29, 2015Observed: 4.96 ft at 8:00AM Aug 29, 2015Observed: 4.96 ft at 12:00PM Aug 29, 2015Observed: 4.99 ft at 4:00PM Aug 29, 2015Observed: 4.95 ft at 8:00PM Aug 29, 2015Observed: 4.95 ft at 12:00AM Aug 30, 2015Observed: 4.93 ft at 4:00AM Aug 30, 2015Observed: 4.93 ft at 6:00AM Aug 30, 2015Observed: 4.93 ft at 8:00AM Aug 30, 2015Highest Forecast: 4.9 ft 1:00PM Aug 30, 2015Highest Forecast: 4.9 ft 7:00PM Aug 30, 2015Highest Forecast: 4.9 ft 1:00AM Aug 31, 2015Highest Forecast: 4.9 ft 7:00AM Aug 31, 2015Forecast: 4.8 ft 1:00PM Aug 31, 2015Forecast: 4.8 ft 7:00PM Aug 31, 2015Forecast: 4.8 ft 1:00AM Sep 01, 2015Forecast: 4.7 ft 7:00AM Sep 01, 2015Forecast: 4.7 ft 1:00PM Sep 01, 2015Forecast: 4.7 ft 7:00PM Sep 01, 2015Forecast: 4.7 ft 1:00AM Sep 02, 2015Forecast: 4.6 ft 7:00AM Sep 02, 2015Forecast: 4.6 ft 1:00PM Sep 02, 2015Forecast: 4.6 ft 7:00PM Sep 02, 2015Forecast: 4.6 ft 1:00AM Sep 03, 2015Forecast: 4.6 ft 7:00AM Sep 03, 2015Forecast: 4.6 ft 1:00PM Sep 03, 2015Forecast: 4.6 ft 7:00PM Sep 03, 2015Forecast: 4.5 ft 1:00AM Sep 04, 2015Forecast: 4.5 ft 7:00AM Sep 04, 2015Forecast: 4.5 ft 1:00PM Sep 04, 2015Forecast: 4.5 ft 7:00PM Sep 04, 2015Forecast: 4.5 ft 1:00AM Sep 05, 2015Forecast: 4.5 ft 7:00AM Sep 05, 2015Forecast: 4.5 ft 1:00PM Sep 05, 2015Forecast: 4.5 ft 7:00PM Sep 05, 2015Forecast: 4.5 ft 1:00AM Sep 06, 2015Forecast: 4.5 ft 7:00AM Sep 06, 2015ALMW3(plotting HGIRZ) Graph Created (11:00AM Aug 30, 2015)ObservedForecast (issued 8:43AM Aug 30)Latest observed value: 4.93 ft at 8:00 AM CDT 30-Aug-2015. Flood Stage is 16 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
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
Low Stage (in feet): 0

Historic 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 Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.75 ft on 04/14/2011
(2) 12.34 ft on 09/29/2010
(3) 18.15 ft on 04/16/2001
(4) 15.60 ft on 04/11/1997
(5) 14.93 ft on 06/25/1993
Show More Recent 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) Downstream view at Alma, September 11th, 2012, Stage = 4.47 ft
(2) Upstream view at Alma, September 11th, 2012, Stage = 4.47 ft
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
  • Resources Collapse
    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: 13-Aug-2015 1:56 AM
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