Station Name: GRAND CALUMET RIVER AT COLUMBIA AV AT HAMMOND, IN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
5225 Columbia Ave
Hammond, IN 46320
Lake County

GPS Coordinates: 41.6186111, -87.4998333

Nearby Water Temperatures

Flood Warning issued June 22 at 8:14PM CDT until June 23 at 10:00AM CDT by NWS Chicago IL

Effective: Mon June 22, 2026, 8:14 PM
Expires: Tue June 23, 2026, 10:00 AM

...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

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.

Flood Warning issued June 22 at 8:14PM CDT until June 23 at 10:00AM CDT by NWS Chicago IL

Effective: Mon June 22, 2026, 8:14 PM
Expires: Tue June 23, 2026, 10:00 AM

...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...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Tuesday morning. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 10.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 11.6 feet. - Forecast...The river is expected to fall below flood stage around sunrise Tuesday and continue falling through the day. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

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.