Headline:
Flood Watch issued September 19 at 10:34AM CDT until September 20 at 7:00AM CDT by NWS Chicago IL
Event:
Flood Watch
Urgency:
Future
Effective:
September 19, 2026 - 8:34am
Expires:
September 19, 2026 - 4:45pm
Description:
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of north central and northeast Illinois, including
the following counties, in north central Illinois, Winnebago. In
northeast Illinois, McHenry.
* WHEN...Through early Sunday morning.
* 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...
- An additional round of showers and thunderstorms, some with very
heavy rainfall, are expected this evening and overnight which may
result in areas of flash flooding, particularly over urban or
areas of poor drainage.
- 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:
Winnebago; McHenry
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov