Illinois, Indiana Flood Watch | Effective 04/15/2026 03:15

Headline: 
Flood Watch issued April 15 at 5:15AM CDT until April 16 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 15, 2026 - 3:15am
Expires: 
April 15, 2026 - 1:00pm
Description: 
* WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...Portions of Illinois, including the following counties, Grundy, Kankakee, La Salle, Lee and Livingston and northwest Indiana, including the following counties, Jasper, Newton and Porter. * WHEN...Through late tonight. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms are expected through this evening. Elevated soil moisture due to recent rainfall is expected to increase the susceptibility to flash flooding. - 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: 
Lee; La Salle; Grundy; Kankakee; Livingston; Porter; Newton; Jasper
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov