Headline:
Flash Flood Warning issued August 10 at 12:49AM CDT until August 10 at 4:00AM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 9, 2026 - 10:49pm
Expires:
August 10, 2026 - 2:00am
Description:
At 1249 AM CDT, Doppler radar and automated rain gauges indicated
that heavy rainfall had moved out of the area. Up to 3 inches of
rainfall occurred due to earlier thunderstorms near Earlville and
Ottawa. Some streams will likely continue to rise over the next few
hours, and standing water may be slow to recede in some areas.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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, Marseilles, Sheridan, Seneca, Earlville, Serena, Dayton,
Wedron, Harding, Prairie Center, Norway and Triumph.
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