Severe · Flood WarningActive alert
Flood Warning issued September 19 at 9:05PM CDT until September 21 at
Affecting Cook, IL; Lake, IN
In effect until: Sep 20, 2026, 6:00 PM
Cook, IL; Lake, IN
Likely impact across 2 counties in IL and IN; effects through 6:00 PM.
Avoid flooded areas. Move to higher ground if water is rising near you.
Read the original bulletin (official text)
...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. * WHAT...Minor flooding is forecast. * 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 Sunday morning to late Sunday night. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 6.7 feet. - Forecast...The river is expected to rise above flood stage early Sunday morning to a crest of 13.8 feet early tomorrow afternoon. It will then fall below flood stage late tomorrow evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™