Illinois, Indiana Severe Flood Watch | Effective 08/19/2026 09:30

Headline: 
Flood Watch issued August 19 at 11:30AM CDT until August 20 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 19, 2026 - 9:30am
Expires: 
August 19, 2026 - 5:30pm
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following counties, Ford, Iroquois and Livingston and northwest Indiana, including the following county, Benton. * WHEN...Through late tonight. * IMPACTS...Creeks and streams may rise out of their banks. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Showers and thunderstorms are likely this afternoon and evening. Storms will be capable of producing very heavy downpours with some areas potentially picking up a quick 1 to locally 3 inches of rain. Rainfall of that magnitude would likely result in a localized flash flooding given the high soil moisture from recent heavy rains. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.
Area Description: 
Livingston; Iroquois; Ford; Benton
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov