Active Weather Alerts
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. &&
River Flood Warning
Issued: 3:10 AM Jun. 20, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until Sunday afternoon. * IMPACTS...At 28.0 feet, Unleveed islands near Chester and the prison farm floods. * ADDITIONAL DETAILS... - At 9:30 PM CDT Friday the stage was 27.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM CDT Friday was 28.6 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 19.1 feet Friday, June 26. - 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 27.9 25.0 23.8 22.8 21.9 21.2 &&
Local Radar