Mississippi River at Chester
Critical Stages
25' - Action
27' - Flood
35' - Moderate
40' - Major
Latest Observation
Updated: 9:00 AM CST 12/14/25
Status: No Flooding
Stage: -0.2 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12 PM 12/14 | -0.1 | -999 |
| 6 PM 12/14 | 0 | -999 |
| 12 AM 12/15 | 0.1 | 73.3 |
| 6 AM 12/15 | 0.1 | 73.3 |
| 12 PM 12/15 | 0.1 | 73.3 |
| 6 PM 12/15 | 0 | -999 |
| 12 AM 12/16 | -0.1 | -999 |
| 6 AM 12/16 | -0.2 | -999 |
| 12 PM 12/16 | -0.3 | -999 |
| 6 PM 12/16 | -0.5 | -999 |
| 12 AM 12/17 | -0.7 | -999 |
| 6 AM 12/17 | -0.8 | -999 |
| 12 PM 12/17 | -0.9 | -999 |
| 6 PM 12/17 | -1 | -999 |
| 12 AM 12/18 | -1.1 | -999 |
| 6 AM 12/18 | -1.1 | -999 |
| 12 PM 12/18 | -1.2 | -999 |
| 6 PM 12/18 | -1.2 | -999 |
| 12 AM 12/19 | -1.3 | -999 |
| 6 AM 12/19 | -1.3 | -999 |
| 12 PM 12/19 | -1.3 | -999 |
| 6 PM 12/19 | -1.3 | -999 |
| 12 AM 12/20 | -1.3 | -999 |
| 6 AM 12/20 | -1.3 | -999 |
| 12 PM 12/20 | -1.3 | -999 |
| 6 PM 12/20 | -1.3 | -999 |
| 12 AM 12/21 | -1.3 | -999 |
| 6 AM 12/21 | -1.3 | -999 |
| 12 PM 12/21 | -1.4 | -999 |
| 6 PM 12/21 | -1.4 | -999 |
| 12 AM 12/22 | -1.4 | -999 |
| 6 AM 12/22 | -1.4 | -999 |
| 12 PM 12/22 | -1.4 | -999 |
| 6 PM 12/22 | -1.4 | -999 |
| 12 AM 12/23 | -1.3 | -999 |
| 6 AM 12/23 | -1.3 | -999 |
| 12 PM 12/23 | -1.2 | -999 |
| 6 PM 12/23 | -1.1 | -999 |
| 12 AM 12/24 | -1.1 | -999 |
| 6 AM 12/24 | -1 | -999 |
| 12 PM 12/24 | -1 | -999 |
| 6 PM 12/24 | -1 | -999 |
| 12 AM 12/25 | -1 | -999 |
| 6 AM 12/25 | -1 | -999 |
| 12 PM 12/25 | -1 | -999 |
| 6 PM 12/25 | -1 | -999 |
| 12 AM 12/26 | -1 | -999 |
| 6 AM 12/26 | -1 | -999 |
| 12 PM 12/26 | -1 | -999 |
| 6 PM 12/26 | -1 | -999 |
| 12 AM 12/27 | -1.1 | -999 |
| 6 AM 12/27 | -1.1 | -999 |
| 12 PM 12/27 | -1.2 | -999 |
| 6 PM 12/27 | -1.2 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:00 AM 12/14 | -0.2 | -999 |
| 8:30 AM 12/14 | -0.21 | -999 |
| 8:00 AM 12/14 | -0.22 | -999 |
| 7:30 AM 12/14 | -0.25 | -999 |
| 7:00 AM 12/14 | -0.21 | -999 |
| 6:30 AM 12/14 | -0.23 | -999 |
| 6:00 AM 12/14 | -0.24 | -999 |
| 5:30 AM 12/14 | -0.23 | -999 |
| 5:00 AM 12/14 | -0.23 | -999 |
| 4:30 AM 12/14 | -0.24 | -999 |
| 4:00 AM 12/14 | -0.23 | -999 |
| 3:30 AM 12/14 | -0.25 | -999 |
| 3:00 AM 12/14 | -0.25 | -999 |
| 2:30 AM 12/14 | -0.25 | -999 |
| 2:00 AM 12/14 | -0.26 | -999 |
| 1:30 AM 12/14 | -0.22 | -999 |
| 1:00 AM 12/14 | -0.24 | -999 |
| 12:30 AM 12/14 | -0.25 | -999 |
| 12:00 AM 12/14 | -0.25 | -999 |
| 11:30 PM 12/13 | -0.23 | -999 |
| 11:00 PM 12/13 | -0.25 | -999 |
| 10:30 PM 12/13 | -0.26 | -999 |
| 10:00 PM 12/13 | -0.25 | -999 |
| 9:30 PM 12/13 | -0.25 | -999 |
| 9:00 PM 12/13 | -0.24 | -999 |
| 8:30 PM 12/13 | -0.25 | -999 |
| 8:00 PM 12/13 | -0.25 | -999 |
| 7:30 PM 12/13 | -0.28 | -999 |
| 7:00 PM 12/13 | -0.26 | -999 |
| 6:30 PM 12/13 | -0.26 | -999 |
53' -
Near this height, the Ste. Genevieve County levee #3 is overtopped.
51' -
The Health Care Unit of the Menard Correctional Center begins flooding near this height. Also at this height, the Grand Tower levee is overtopped. This levee protects 14,800 acres.
50' -
Ste. Genevieve, Ft. Chartres, Ivy Landing, and Kaskaskia Island levees overtopped.
49.5' -
Near this height, the Bois Brule, Degognia, and Fountain Bluff levees are overtopped. The Bois Brule levee protects 26,060 acres. The Degognia and Fountain Bluff levees protect 36,200 acres.
49.4' -
Stringtown and Prairie DuRocher levees overtopped.
49' -
Degognia and Fountain Bluff Levee overtopped.
47.5' -
The Ardent Mills Chester Mill begins flooding near this height.
45.5' -
Near this height, Missouri Route H will be closed in both directions from U.S. Highway 61 to Route M.
45.1' -
Near this height, Missouri Route M is closed in both directions at River Aux Vases.
45' -
At this height, the Chester waterworks pumphouse floods.
44' -
At this height, Missouri State Highway 51 is closed from Perry County Road 944 to the Illinois State Line at the bridge into Chester.
42.4' -
Near this height, Missouri Route H is closed between Route M and Missouri Highway 51.
42.3' -
Near this height, Missouri State Route U will be closed in both directions from U.S. Highway 61 to the Illinois State line at the Kaskaskia Island bridge.
42' -
Four cottage units at the Menard Correctional Center begin flooding near this height.
41.1' -
Near this height, Missouri Route V southeast of Bloomsdale is closed between Highway 61 and North White Sands Road.
40.79' -
Main Street in Evansville inundated.
40' -
A hunting lodge near the mouth of the Kaskaskia River begins flooding.
39' -
Railroad tracks in St. Mary, Missouri begin flooding.
38.7' -
Illinois State Highway 155 at Prairie du Rocher begins flooding near this height.
38.4' -
At this level IL Route 3 at levee east of Cora inundated.
38.1' -
Near this level, Illinois Route 3 near the Mary's River bridge is closed.
37.7' -
Near this height, Route J is closed in both directions at U.S. Highway 61.
37.6' -
At this height, Missouri Route M between Route H and Perry County Road 924 is closed.
37.5' -
The southbound lane on Kaskaskia Street and the south parking lot at Menard Correctional Center begins flooding.
37.2' -
Near this height, U.S. Highway 61 is closed between Ste. Genevieve and Route J.
37' -
Union Pacific property along Water Street begins to flood.
36.9' -
Near this height, U.S. Highway 61 is closed from Route J to St. Mary.
36.5' -
Chester water intake house is flooded... damage begins to occur to 4 homes and administration buildings at Menard State Prison. Prairie DuRocher pump station damaged and road to Kaskaskia Lock inundated.
36' -
Chester water works pumphouse is threatened by flood waters. Highway 61 is closed at the bend at St. Mary and a detour is set up through town. Near this height, St. Genevieve County levee #2 is overtopped. This levee protects 7000 acres.
35.2' -
In Perry County, Highway C is closed between County Roads 352 and 354 (the Levee Road) near Menfro.
35' -
Ste. Genevieve flood gates are closed at this level.
34.79' -
Kaskaskia Street near the Menard Prison begins flooding near this height.
34.7' -
The north parking lot at Menard Correctional Center begins flooding.
33.5' -
Water Street in Chester begins flooding.
33' -
Within a foot of this height, Highway A is closed between County Roads 448 and 460 at Wittenberg in southern Perry County.
32.5' -
The Road at Fort Gage Farm begins flooding at Menard Correctional Center.
31.5' -
In Perry County, Highway E is closed between County Road 322 and Levee Road (County Road 354) at Bois Brule Creek.
28' -
Unleveed islands near Chester and the prison farm floods.
27' -
Flood Stage. Unprotected farmland on right bank begins to flood.
25' -
Degognia Fountain Bluff Levee gates are closed.
| Date | Stage (ft) |
|---|---|
| Aug 7, 1993 | 49.74 |
| Jun 10, 2019 | 46.52 |
| Jan 2, 2016 | 45.99 |
| May 6, 2017 | 44.66 |
| May 23, 1995 | 44 |
| Apr 30, 1973 | 43.32 |
| Jun 5, 2013 | 42.41 |
| May 5, 1983 | 41.02 |
| May 17, 2002 | 40.58 |
| Jun 30, 1844 | 39.83 |
| Apr 16, 1979 | 39.79 |
| May 2, 2011 | 39.74 |
| Dec 9, 1982 | 39.71 |
| Jul 2, 2015 | 39.68 |
| Oct 10, 1986 | 39.54 |
| Jul 1, 2008 | 39.46 |
| Jul 23, 1951 | 39.3 |
| Apr 16, 1994 | 38.9 |
| Apr 25, 2013 | 38.35 |
| Jul 4, 1947 | 38.17 |
Data provided by the National Weather Service.
