Headline:
Flood Warning issued April 18 at 1:54AM CDT until April 18 at 8:00AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Expected
Effective:
April 17, 2026 - 11:54pm
Expires:
April 18, 2026 - 6:00am
Description:
* WHAT...Flooding caused by excessive rainfall is occurring.
* WHERE...Portions of north central and northeast Illinois,
including the following counties, in north central Illinois,
Boone. In northeast Illinois, Lake IL and McHenry.
* WHEN...Until 800 AM CDT Saturday.
* IMPACTS...Roads and streets may be flooded. Area creeks and
streams are already elevated, increasing the risk of flooding due
to additional rainfall.
* ADDITIONAL DETAILS...
- At 152 AM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Flooding is
ongoing or expected to begin shortly. Up to 2 inches of rain
have fallen.
- Some locations that will experience flooding include...
Waukegan, Buffalo Grove, Crystal Lake, North Chicago, Gurnee,
Mundelein, Algonquin, Highland Park, Lake in the Hills, Round
Lake Beach, McHenry, Belvidere, Vernon Hills, Woodstock,
Zion, Huntley, Loves Park, Grayslake, Libertyville and Lake
Zurich.
- http://www.weather.gov/safety/flood
Instruction:
A Flood Warning means flooding is imminent or may already be
occurring. Persons along rivers, creeks, and other waterways should
take immediate precautions to protect life and property.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Area Description:
Boone, IL; Lake, IL; McHenry, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov