Illinois, Indiana Severe Flood Warning | Effective 07/03/2026 22:26

Headline: 
Flood Warning issued July 4 at 12:26AM CDT until July 4 at 1:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 3, 2026 - 10:26pm
Expires: 
July 4, 2026 - 11:00am
Description: 
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. * WHAT...River flooding is expected. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...From early this morning to this afternoon. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 12:00 AM CDT Saturday the stage was 11.7 feet. - Forecast...The river is expected to crest above flood stage overnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by this afternoon.
Area Description: 
Cook, IL; Lake, IN
Forcast Office: 
NWS Chicago IL