Headline:
Flood Warning issued June 22 at 12:29AM CDT until June 22 at 6:15AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Expected
Effective:
June 21, 2026 - 10:29pm
Expires:
June 22, 2026 - 4:15am
Description:
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of northeast Illinois, including the following
county, Cook and northwest Indiana, including the following
counties, Lake IN and Porter.
* WHEN...Until 615 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 1221 AM CDT, Doppler radar and automated rain gauges
indicated between 2 and 2.5 inches of rain have fallen today.
River gauges on area streams and creeks indicate that
flooding is ongoing in the warned area as a result of this
heavy rainfall. This is particularly the case along the
portions of the Little Calumet, Thorn Creek, Butterfield
Creek and Hart Ditch.
- The heavy rainfall is expected to come to an end overnight,
but area streams and rivers will remain elevated through the
night.
- Some locations that will experience flooding include...
Chicago, Hammond, Gary, Tinley Park, Calumet City, Portage,
Merrillville, Valparaiso, Chicago Heights, Roseland, East
Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey,
Highland, Blue Island, Munster and Dolton.
- 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.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Area Description:
Cook, IL; Lake, IN; Porter, IN
Forcast Office:
NWS Chicago IL
Sender: