Illinois Severe Flash Flood Warning | Effective 07/27/2026 02:51

Headline: 
Flash Flood Warning issued July 27 at 4:51AM CDT until July 27 at 6:30AM CDT by NWS Lincoln IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 27, 2026 - 2:51am
Expires: 
July 27, 2026 - 4:30am
Description: 
FFWILX The National Weather Service in Lincoln has extended the * Flash Flood Warning for... Eastern Effingham County in south central Illinois... * Until 630 AM CDT. * At 450 AM CDT, Doppler radar indicated thunderstorms producing heavy rain continue across the warned area, although they are now occurring closer to the county line. Between 4 and 6 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in areas from near Teutopolis to Dieterich. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Effingham, Teutopolis, Watson, Dieterich, Heartville and Effingham County Airport. This includes the following highways... Interstate 70 between mile markers 89 and 101. Interstate 57 between mile markers 150 and 167.
Instruction: 
Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Effingham, IL
Forcast Office: 
NWS Lincoln IL