Headline:
Flood Advisory issued September 19 at 8:41AM CDT until September 19 at 9:00AM CDT by NWS Chicago IL
Event:
Flood Advisory
Urgency:
Expected
Effective:
September 19, 2026 - 6:41am
Expires:
September 19, 2026 - 7:00am
Description:
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Boone County in north central Illinois...
Southern Winnebago County in north central Illinois...
Central McHenry County in northeastern Illinois...
* WHEN...Until 900 AM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- At 838 AM CDT, Doppler radar indicated heavy rain due to
thunderstorms earlier this morning and current steady rain over
the area. Minor flooding is expected to continue in the advisory
area.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Rockford, McHenry, Belvidere, Woodstock, Loves Park, Machesney
Park, Fox Lake, Harvard, Marengo, Poplar Grove, Rockford Airport,
Johnsburg, Lakemoor, Spring Grove, Candlewick Lake, Wonder Lake,
Pistakee Highlands, Cherry Valley, Winnebago, Pecatonica,
Richmond, Capron and Hebron.
- http://www.weather.gov/safety/flood
Instruction:
A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.
Area Description:
Boone, IL; McHenry, IL; Winnebago, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov