Illinois Flash Flood Warning - Severe | Effective 06/11/2026 19:32

Headline: 
Flash Flood Warning issued June 11 at 9:32PM CDT until June 11 at 11:15PM CDT by NWS Lincoln IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 7:32pm
Expires: 
June 11, 2026 - 9:15pm
Description: 
At 932 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. 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... Clinton, Monticello, Maroa, Atlanta, Warrensburg, Argenta, Wapella, Waynesville, Weldon, Latham, Kenney, Cisco, Chestnut, Beason, Weldon Springs State Park, Lane, Hallsville, Clinton Power Station and Midland City.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
De Witt, IL; Logan, IL; Macon, IL; Piatt, IL
Forcast Office: 
NWS Lincoln IL