04/04/2026
Lake County Alert System:
Flood Warning
Flood Warning issued April 4 at 1:59AM CDT until April 4 at 10:00AM CDT by NWS Chicago IL
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of Illinois, including the following counties,
Cook, Grundy, Kankakee, La Salle, Livingston and Will and
northwest Indiana, including the following county, Lake IN.
* WHEN...Until 1000 AM CDT Saturday.
* IMPACTS...Flooding of ditches, viaducts and other low lying areas.
Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...
- At 157 AM CDT, Doppler radar indicated heavy rainfall of
between 1 and 2 inches, and locally in excess of 3 inches has
occurred due to thunderstorms since last evening. Flooding is
ongoing or expected to begin shortly in the warned area.
- This areal flood warning replaces flash flood warnings and
advisories previously in effect.
- Some locations that will experience flooding include...
Chicago, Hammond, Gary, Orland Park, Tinley Park, Calumet
City, Chicago Heights, Roseland, East Chicago, Lansing, Oak
Forest, Harvey, New Lenox, Highland, Blue Island, Munster,
Dolton, Park Forest, Homewood and Matteson.
- http://www.weather.gov/safety/flood
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.
http://www.weather.gov