Illinois Severe Flood Watch | Effective 08/14/2026 19:14

Headline: 
Flood Watch issued August 14 at 9:14PM CDT until August 15 at 10:00AM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 14, 2026 - 7:14pm
Expires: 
August 15, 2026 - 3:15am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northeast Illinois including Lee, Ogle, DeKalb, Kane, Kendall, DuPage, Cook, and northern Will counties. * WHEN...Through Saturday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas, especially in the vicinity of storm drains that are clogged by leaf debris. Underpasses and viaducts may flood in urban areas, as well. * ADDITIONAL DETAILS... - Another round of torrential rain-producing showers and storms is expected across the watch area tonight. Saturated soils and torrential downpours will set the stage for flash flooding. - http://www.weather.gov/safety/flood
Instruction: 
Monitor the latest forecasts. Have multiple ways to receive warning information including at least one way that will wake you up.
Area Description: 
Ogle; Lee; De Kalb; Kane; DuPage; Kendall; Northern Cook; Central Cook; Southern Cook; Northern Will
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov