Active Weather Alerts
River Flood Warning
Issued: 9:57 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM WEDNESDAY MORNING TO LATE SATURDAY NIGHT... * WHAT...Minor flooding is forecast. * WHERE...Missouri River near Chamois. * WHEN...From Wednesday morning to late Saturday night. * ADDITIONAL DETAILS... - There is no current observed data. - Forecast...The river is expected to rise above flood stage Wednesday morning to a crest of 19.5 feet Thursday morning. It will then fall below flood stage early Friday afternoon. - Flood stage is 17.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Missouri River Chamois 17.0 MSG 10.8 17.1 19.5 17.9 14.8 &&
Flood Watch
Issued: 4:18 PM Apr. 27, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bond IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Franklin MO, Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO, Osage MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO and Warren MO. * WHEN...Until 9 PM CDT this evening. * 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 areas will have the potential to produce flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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