Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Weather Forecast Office St. Louis, MO

North Central River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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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: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here. NOTE: Forecasts for the Mississippi River at Winfield Lock and Dam 25 are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

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) 30.24 ft on 05/07/2023 (2) 27.70 ft on 04/14/2021 (3) 27.83 ft on 03/20/2021 (4) 27.23 ft on 07/03/2020 (5) 27.79 ft on 06/13/2020 (6) 26.21 ft on 05/18/2020 (7) 29.49 ft on 04/01/2020 (8) 29.61 ft on 10/19/2019 (9) 38.59 ft on 06/04/2019 (10) 26.34 ft on 11/06/2018 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 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location 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

If you notice any errors in the below information, please contact our Webmaster
145000	This is the flow at which CAGM7 will go to "open river" conditions.
37.1	This is the level at which the Winfield levee failed in June 2008.
37	Water reaches the top of the lock wall. Also at this level water completely floods Lock and Dam Park in Winfield. Highway 79 is closed a half mile south of Highway 47 for another half mile.
36.29	Highway 79 is closed through the town of Foley.
35.6	Highway 79 is closed from Winfield north to Route Y.
35.5	Highway 79 is closed from Bobs Creek to one mile south.
35.1	The levee behind Lock and Dam 25 will overtop at this height without additional protection.
34.6	Route M is closed south of Elsberry from Highway 79 east to where state maintenance ends near Apex Lane.
34.5	Near this height, the office building and storage building of Kimaterials, a sand and gravel company on Highway 79 between Winfield and Old Monroe, begins flooding. Also, the Corps has not kept Lock 25 open above this height.
34	This is the level of the levee protection for Winfield.
33	Route N is closed from Highway 79 at Winfield to where state maintenance ends.
32.5	Near this level, Winfield Lock 25 is closed to navigation.
30	The Golden Eagle Ferry will likely close near this level. Lakeshore Drive in northern St. Charles County becomes impassable near this level.
29.8	Much of County Highways B and C in eastern St. Charles County are flooded.
29.5	Highway B in eastern St. Charles County floods near the Dardenne Creek bridge.
29.3	The following roads in northern St. Charles County close near this level: Peruque Creek Road near Highway 79, Dalbow Road near Highway 79, and Firma Road.
29.2	Lakeview Road in northeastern St. Charles County is closed north of the railroad tracks. Also, Highway C between Highway B and Silvers Road will be closed near this height.
29	Route 96 at Mozier Landing closes.
28.6	Water begins covering Highway C about a half mile south of Highway B in St. Charles County.
28.3	Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County.
27.8	Near this height, Wilson Road just north of Washeon Road and Lehmond Island Road south of Sunset Drive in northern St. Charles County begin flooding.
27.5	At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution.
23	A few local islands begin to flood.
21.6	Near this stage, the Corps will raise all gates out of the river, creating "open river" conditions. This corresponds to an approximate discharge of 145,000 cfs.
Photos (1) Winfield levee breaks on June 27, 2008 at a Winfield stage of about 37 feet. (2) Farm property south of Winfield and east of Hwy 79 on June 22, 2008 at a stage of 36.0 ft. (3) Farm property east of 79 between Winfield and Old Monroe with a Winfield stage of 36.0 ft. (4) Farmhouse between Winfield and Old Monroe east of Hwy 79 with a Winfield stage of 36.0 ft. (5) Cropland flooding east of Winfield on June 22, 2008 at a stage of 36.0 ft. (6) Sand and gravel company on Highway 79 between Old Monroe and Winfield on 6/22/2008 at 36.0 ft. (7) Intersection of Dalbow Rd., Peruque Creek Rd., and Firma Rd. on March 29, 2010 at 29.8 feet. (8) Dalbow Road flooding about 4 miles east of Hwy 79 on March 29, 2010 and a Winfield stage of 29.8 ft. (9) Dalbow Road less than a mile east of Hwy 79 on March 29, 2010 at a Winfield stage of 29.8 ft. (10) Peruque Creek Road on March 29, 2010 at a Winfield stage of 29.8 feet. (11) Highway C looking north on March 30, 2010 at a Winfield stage of 29.6 ft. (12) Aerial View looking upstream toward Missouri side (13) Pool gage (14) Tailwater gage (15) Looking downstream from the lock (16) Looking upstream at the gates

About This Location

Latitude: 39.000833° N, Longitude: 90.687500° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 26 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 406.48 ft 432.48 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 407.00 ft 433.00 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: U.S. Geological Survey (USGS) Data and Site Info for Winfield Lock and Dam 25

Additional Information

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Resources

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