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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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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.
Forecasts for the Mississippi River at Winfield Lock and Dam 25 are issued routinely year-round.
Scale to Flood Categories
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Flood Categories (in feet)
Major Flood Stage:
Moderate Flood Stage:
(1) 39.62 ft on 08/01/1993
(2) 37.08 ft on 06/27/2008
(3) 36.93 ft on 04/27/1973
(4) 35.40 ft on 04/23/2013
(5) 34.70 ft on 07/10/2014
(6) 34.70 ft on 07/10/2014
(7) 34.68 ft on 05/18/2001
(8) 34.20 ft on 04/14/1979
(9) 33.98 ft on 04/07/1983
(10) 33.95 ft on 04/26/1993
Show More Historical Crests
: 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
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 flow at which CAGM7 will go to "open river" conditions.
This is the level at which the Winfield levee failed in June 2008.
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.
Highway 79 is closed through the town of Foley.
Highway 79 is closed from Winfield north to Route Y.
Highway 79 is closed from Bobs Creek to one mile south.
The levee behind Lock and Dam 25 will overtop at this height without additional protection.
Route M is closed south of Elsberry from Highway 79 east to where state maintenance ends near Apex Lane.
This is the level of the levee protection for Winfield.
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.
Route N is closed from Highway 79 at Winfield to where state maintenance ends.
The Golden Eagle Ferry will likely close near this level. Lakeshore Drive in northern St. Charles County becomes impassable near this level.
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.
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.
Route 96 at Mozier Landing closes.
Much of County Highways B and C in eastern St. Charles County are flooded.
At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethyline plastic as a precaution.
Flood Stage. Highway B in eastern St. Charles County floods near the Dardenne Creek bridge.
Water begins covering Highway C about a half mile south of Highway B in St. Charles County.
A few local islands begin to flood.
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.
Winfield levee breaks on June 27, 2008 at a Winfield stage of about 37 feet.
Farm property south of Winfield and east of Hwy 79 on June 22, 2008 at a stage of 36.0 ft.
Farm property east of 79 between Winfield and Old Monroe with a Winfield stage of 36.0 ft.
Farmhouse between Winfield and Old Monroe east of Hwy 79 with a Winfield stage of 36.0 ft.
Cropland flooding east of Winfield on June 22, 2008 at a stage of 36.0 ft.
Sand and gravel company on Highway 79 between Old Monroe and Winfield on 6/22/2008 at 36.0 ft.
Intersection of Dalbow Rd., Peruque Creek Rd., and Firma Rd. on March 29, 2010 at 29.8 feet.
Dalbow Road flooding about 4 miles east of Hwy 79 on March 29, 2010 and a Winfield stage of 29.8 ft.
Dalbow Road less than a mile east of Hwy 79 on March 29, 2010 at a Winfield stage of 29.8 ft.
Peruque Creek Road on March 29, 2010 at a Winfield stage of 29.8 feet.
Highway C looking north on March 30, 2010 at a Winfield stage of 29.6 ft.
Aerial View looking upstream toward Missouri side
Looking downstream from the lock
Looking upstream at the gates
About This Location
Latitude: 39.000833° N, Longitude: 90.687500° 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?
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National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
Page last modified: 5-Aug-2014 6:38 PM