Flash Flood Warning Illinois | Effective 03/10/2026 18:10

Headline: 
Flash Flood Warning issued March 10 at 8:10PM CDT until March 11 at 12:00AM CDT by NWS Chicago IL
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 10, 2026 - 6:10pm
Expires: 
March 10, 2026 - 10:00pm
Description: 
FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Northern La Salle County in north central Illinois... * Until midnight CDT tonight. * At 810 PM CDT, Doppler radar indicated multiple rounds of thunderstorms producing rainfall with rates up to 1-2 inches per hour across the warned area. Flash flooding is ongoing or expected to begin shortly, especially in urbanized areas and along the Illinois River Valley. HAZARD...Flash flooding. SOURCE...Radar. 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... Ottawa, Peru, La Salle, Marseilles, Sheridan, Lake Holiday, Oglesby, Seneca, North Utica, Serena, Naplate, Millington, Dayton, Troy Grove, Wedron, Harding, Prairie Center, Triumph and Norway.
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.
Area Description: 
La Salle, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov