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Local weather forecast by
What is AHPS?
Weather Forecast Office St. Louis, MO
North Central River Forecast Center
River at a Glance
Weekly Chance of Exceeding Levels
Chance of Exceeding Levels During Entire Period
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
Datum: Not Available
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.
Reliability of the Forecast: Unavailable due to missing or inaccurate readings
Forecasts for the Cuivre River at Old Monroe are issued as needed during times of high water, but are not routinely available.
Scale to Flood Categories
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Flood Categories (in feet)
Major Flood Stage:
Moderate Flood Stage:
(1) 37.40 ft on 12/04/1982
(2) 36.60 ft on 05/18/1975
(3) 35.50 ft on 08/01/1993
(4) 33.90 ft on 02/24/1985
(5) 33.70 ft on 04/03/1973
(6) 33.00 ft on 05/18/1995
(7) 32.70 ft on 05/08/2002
(8) 32.50 ft on 04/13/1979
(9) 32.10 ft on 05/01/1983
(10) 31.99 ft on 06/27/2008
Show More Historical Crests
: Preliminary values subject to further review.
Low Water Records
(1) 9.20 ft on 09/18/1971
(2) 9.40 ft on 09/02/1970
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
If you notice any errors in the below information, please contact our
This is the RECORD FLOOD LEVEL that was reached on December 4 1982.
The levee protecting Old Monroe is overtopped.
Main Street in Old Monroe is flooded
This flood level was reached on August 1 1993.
Low Steel Elevation on Old 79 Highway Bridge is reached.
Old Highway 79 floods between Old Monroe and Highway 79.
Low steel on the BNSF railroad bridge is reached.
The Corner of Sycamore St. and First Street is flooded.
Major flooding begins. Residential flooding in Old Monroe.
Streets in Old Monroe begin flooding.
Dyer Road upstream from the gage begins flooding just downstream of the new Highway 79 bridge.
Right bank overflows.
Extensive left bank agricultural flooding develops upstream of the gage. A utility road is flooded along the Old Monroe levee along the left bank upstream of the gage.
Initial flooding upstream.
Minor agricultural land begins to flood.
About This Location
Latitude: 38.928889° N, Longitude: 90.745833° W, Horizontal Datum: NAD83/WGS84
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
Older USGS topographic maps, NGVD29 benchmarks
Older USGS topographic maps, MSL benchmarks
How low could the river get?
River Forecast Centers
River Stage Summary
Inundation Mapping Locations
NWS Alert Messaging
USGS Alert Messaging
NWS Precipitation and River Forecasting
AHPS Iframes for Developers
Mobile iNWS for emergency management
AHPS Web Brochure
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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,
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National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
Page last modified: 16-Jul-2014 2:07 AM