Active Weather Alerts
River Flood Warning
Issued: 3:59 PM Jun. 20, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until Sunday evening. * IMPACTS...At 27.0 feet, Flood Stage. Unprotected farmland on right bank begins to flood. * ADDITIONAL DETAILS... - At 10:30 AM CDT Saturday the stage was 27.2 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 19.1 feet Saturday, June 27. - Flood stage is 27.0 feet. && All Times CDT Fld Observed Forecasts (7 am) Location Stg Stage Sun Mon Tue Wed Thu Mississippi River Chester 27.0 27.2 25.8 24.4 23.1 22.1 21.1 &&
Flood Watch
Issued: 6:28 AM Jun. 20, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Clinton IL, Marion IL, Monroe IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Crawford MO, Iron MO, Jefferson MO, Madison MO, Reynolds MO, Saint Francois MO, Sainte Genevieve MO and Washington MO. * WHEN...From Sunday morning through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same locations could produce flash flooding. Rainfall amounts of 1-3 inches are expected with locally higher amounts possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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