FROM: NWS Chicago IL
AREA: Boone, IL
SENT: 2026-06-11T17:52:00-05:00
Flash Flood Warning issued June 11 at 5:52PM CDT until June 11 at 9:15PM CDT by NWS Chicago IL
FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for…
Boone County in north central Illinois…
* Until 915 PM CDT.
* At 552 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1 inch of rain has
fallen. 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…
Belvidere, Loves Park, Poplar Grove, Candlewick Lake, Cherry
Valley, Capron, Timberlane, Garden Prairie and Caledonia.
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.
Alert Expiration: 2026-06-11T21:15:00-05:00
⚠️ This alert has been CANCELLED by NWS Chicago IL.
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