Active Weather Alerts
Tornado Watch
Issued: 8:08 PM Apr. 27, 2026 – National Weather Service
TORNADO WATCH 160 REMAINS VALID UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 13 COUNTIES IN SOUTH CENTRAL ILLINOIS BOND CLINTON FAYETTE MARION MONTGOMERY WASHINGTON IN SOUTHWEST ILLINOIS CALHOUN JERSEY MACOUPIN MADISON MONROE RANDOLPH SAINT CLAIR IN MISSOURI THIS WATCH INCLUDES 20 COUNTIES IN CENTRAL MISSOURI CALLAWAY COLE MONITEAU OSAGE IN EAST CENTRAL MISSOURI CRAWFORD FRANKLIN GASCONADE JEFFERSON LINCOLN MONTGOMERY SAINT CHARLES SAINT LOUIS SAINT LOUIS CITY WARREN WASHINGTON IN SOUTHEAST MISSOURI IRON MADISON REYNOLDS SAINT FRANCOIS SAINTE GENEVIEVE THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, CAHOKIA, CENTRALIA, CHESTER, EDWARDSVILLE, FARMINGTON, FULTON, JEFFERSON CITY, LITCHFIELD, SAINT CHARLES, SAINT LOUIS, SALEM, SPARTA, SULLIVAN, UNION, VANDALIA, AND WASHINGTON.
River Flood Warning
Issued: 7:54 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM WEDNESDAY AFTERNOON UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...From Wednesday afternoon until further notice. * IMPACTS...At 27.0 feet, Meramec Bottom Road between Wells Road and Kerth Road begins flooding near this height. * ADDITIONAL DETAILS... - At 2:30 PM CDT Monday the stage was 20.5 feet. - Forecast...The river is expected to rise above flood stage Wednesday afternoon and continue rising to a crest of 28.7 feet early Friday afternoon. - Flood stage is 24.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Meramec River Arnold 24.0 20.5 21.4 22.9 26.0 28.5 28.4 &&
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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