Illinois Severe Flash Flood Warning | Effective 07/10/2026 21:31

Headline: 
Flash Flood Warning issued July 10 at 11:31PM CDT until July 11 at 4:45AM CDT by NWS Paducah KY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 10, 2026 - 9:31pm
Expires: 
July 11, 2026 - 2:45am
Description: 
At 1131 PM CDT, trained weather spotters reported thunderstorms producing heavy rain in the Carbondale area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is has begun and will worsen into the overnight hours. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Trained spotters 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... Carbondale, Marion, Herrin, Murphysboro, Du Quoin, Pinckneyville, Carterville, Johnston City, De Soto, Crainville, Cambria, Energy, Elkville, Hurst, Ava, Tamaroa, Pittsburg, Creal Springs, Cedar Lake Area and Lake Of Egypt Area.
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. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Area Description: 
Jackson, IL; Perry, IL; Williamson, IL
Forcast Office: 
NWS Paducah KY