Headline:
Flash Flood Warning issued April 15 at 8:27PM CDT until April 16 at 2:30AM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 15, 2026 - 6:27pm
Expires:
April 16, 2026 - 12:30am
Description:
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Boone County in north central Illinois...
Winnebago County in north central Illinois...
* Until 230 AM CDT Thursday.
* At 827 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 1
to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding.
SOURCE...Radar.
IMPACT...Rapid-onset flooding of creeks, streams, drainage
ditches, streets, underpasses, low-lying areas, and
other poor drainage areas.
* Some locations that will experience flash flooding include...
Rockford, Belvidere, Loves Park, Machesney Park, Roscoe, South
Beloit, Rockton, Poplar Grove, Rockford Airport, Candlewick Lake,
Cherry Valley, Winnebago, Davis Junction, Pecatonica, Lake
Summerset, Durand, Capron, Timberlane, New Milford and Garden
Prairie.
Radar rainfall estimates indicate portions of the warned area
received between 2 and 3.5 inches of rain with Tuesday nights storms.
Instruction:
A Flash Flood Warning means rapid-onset flooding is imminent or may
already be occurring. Persons along creeks, drainage ditches, and
other waterways should take immediate precautions to protect life
and property.
Area Description:
Boone, IL; Winnebago, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov