Headline:
Flash Flood Warning issued April 15 at 11:30PM CDT until April 16 at 2:30AM CDT by NWS Chicago IL
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 15, 2026 - 9:30pm
Expires:
April 16, 2026 - 12:30am
Description:
At 1130 PM CDT, Doppler radar rainfall estimates indicated rainfall
of 1.30 to 1.85 inches of rain had fallen across northwest Winnebago
and far northwest Boone counties since earlier this evening. This
rain fell in an area which saw in excess of three inches of rain
Tuesday evening. Flash flooding is likely ongoing in some areas.
Rainfall has tapered off, though additional showers and isolated
thunderstorms remain possible overnight.
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.
Areas from near Pecatonica to Rockton and South Beloit are in the
axis of heaviest rainfall from this evening.
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