Weather Alert Watch
Severe Flood Warning

Flood Warning for Cook, IL; Lake, IN

What: Minor flooding is occurring and minor flooding is forecast. Impacts: At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. Where: Little Calumet River from IN-912 in Hammond downstream to confluence with...

IL, INCook, IL; Lake, IN

Official alert brief

...The Flood Warning is extended for the following rivers in Illinois...Indiana... Thorn Creek at Thornton affecting Cook County. Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Thorn Creek...including Thornton...Minor flooding is forecast.

WHAT

Minor flooding is occurring and 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

Until Tuesday morning.

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 Monday the stage was 12.4 feet. Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 13.2 feet. Forecast...The river is expected to fall below flood stage around sunrise Tuesday and continue falling through the day. Flood stage is 12.0 feet. http://www.weather.gov/safety/flood

Instructions

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 Tuesday morning.