Headline:
Flood Advisory issued June 21 at 10:41PM CDT until June 22 at 2:00AM CDT by NWS Chicago IL
Event:
Flood Advisory
Urgency:
Expected
Effective:
June 21, 2026 - 8:41pm
Expires:
June 22, 2026 - 12:00am
Description:
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Portions of southern Cook and northern Lake, IN counties,
including the I-80/90/94 corridors.
* WHEN...Until 200 AM CDT.
* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded.
* ADDITIONAL DETAILS...
- At 1035 PM CDT, Doppler radar and automated rain gauges
indicate between 1.5 and 2.5 inches of rain have fallen
through the day, with most of the rain falling during the
late afternoon and evening.
- Several area creeks and streams are at bankfull or rising to
near minor flood stage.
- Some locations that will experience flooding include...
South Side of Chicago, Hammond, Gary, Tinley Park, Calumet
City, Portage, Merrillville, Chicago Heights, Roseland, East
Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey,
Highland, Blue Island, Munster, Dolton and Park Forest.
- 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:
Cook, IL; Lake, IN
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov