Illinois, Missouri Flash Flood Warning | Effective 04/27/2026 16:37

Headline: 
Flash Flood Warning issued April 27 at 6:37PM CDT until April 27 at 8:15PM CDT by NWS St Louis MO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 4:37pm
Expires: 
April 27, 2026 - 6:15pm
Description: 
At 637 PM CDT, Flash flooding will continue across the warned area due to excessive runoff, even though the heavy rain has ended. Between 2 and 4 inches of rain have fallen. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Bowling Green, Pittsfield, Louisiana, Barry, Griggsville, Pleasant Hill, Perry, Atlas, Eolia, Clarksville, Frankford, Pike, Curryville, Tarrants, Spencerburg, New Hartford, Independence, Bedford, Montezuma and Versailles. This includes Interstate 72 between exits 31 and 35.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Brown, IL; Pike, IL; Pike, MO; Ralls, MO
Forcast Office: 
NWS St Louis MO