Flash Flood Warning Illinois | Effective 04/03/2026 20:58

Headline: 
Flash Flood Warning issued April 3 at 10:58PM CDT until April 4 at 2:00AM CDT by NWS Chicago IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 3, 2026 - 8:58pm
Expires: 
April 4, 2026 - 12:00am
Description: 
At 1058 PM CDT, local law enforcement reported flash flooding in multiple locations across the warned area, including near Flanagan, Pontiac, and Dwight. Between 2 and 4 inches of rain have fallen. Flash flooding is already occurring. HAZARD...Flash flooding. SOURCE...Law enforcement. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Pontiac, Dwight, Flanagan, Odell and Cornell. Another round of heavy rain is expected overnight which may prolong or even worsen the ongoing flooding impacts.
Instruction: 
A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Livingston, IL
Forcast Office: 
NWS Chicago IL