Illinois Flash Flood Warning | Effective 04/27/2026 15:46

Headline: 
Flash Flood Warning issued April 27 at 5:46PM CDT until April 27 at 8:00PM CDT by NWS St Louis MO
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 3:46pm
Expires: 
April 27, 2026 - 6:00pm
Description: 
FFWLSX The National Weather Service in St Louis has extended the * Flash Flood Warning for... Northern Fayette County in south central Illinois... Southeastern Montgomery County in south central Illinois... * Until 800 PM CDT. * At 546 PM CDT, emergency management reported flooding across the warned area. Between 3 and 5 inches of rain have fallen. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. 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... Vandalia, Nokomis, St. Elmo, Ramsey, Witt, Brownstown, Wrights Corner, Avena, Irving, Shafter, Fillmore, Coalton, Ohlman, Bingham, Wenonah, Bayle City and Chapman. This includes the following State Parks... Ramsey Lake State Park. This includes Interstate 70 in Illinois between exits 61 and 76.
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: 
Fayette, IL; Montgomery, IL
Forcast Office: 
NWS St Louis MO
Sender: 
w-nws.webmaster@noaa.gov