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 July 6 at 8:55AM CDT until July 6 at 5:00PM CDT by NWS Chicago IL

Effective: Mon July 6, 2026, 8:55 AM
Expires: Mon July 6, 2026, 5:00 PM

...The Flood Warning is extended for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is occurring. * 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 late this afternoon. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 8:00 AM CDT Monday the stage was 12.2 feet. - Forecast...The river is expected to fall below flood stage this afternoon. - 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 this afternoon.

Flood Warning issued July 6 at 8:55AM CDT until July 7 at 3:00AM CDT by NWS Chicago IL

Effective: Mon July 6, 2026, 8:55 AM
Expires: Tue July 7, 2026, 3:00 AM

...The Flood Warning is extended for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook Counties. Thorn Creek at Thornton affecting Cook County. 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 late tonight. * IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 8:30 AM CDT Monday the stage was 10.6 feet. - Forecast...The river is expected to fall below flood stage late this evening. - 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 this afternoon.

Flood Warning issued July 6 at 8:42AM CDT until July 6 at 7:00PM CDT by NWS Chicago IL

Effective: Mon July 6, 2026, 8:42 AM
Expires: Mon July 6, 2026, 7:00 PM

...The Flood Warning is extended for the following rivers in Illinois... Du Page River at Shorewood affecting Will County. Fox River at Dayton affecting La Salle County. For the Du Page River...including Plainfield, Shorewood...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...Until early this evening. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 8:00 AM CDT Monday the stage was near 16.0 feet. - Forecast...The river is expected to fall below flood stage this afternoon. - Flood stage is 15.5 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 this evening.

Flood Warning issued July 6 at 6:41PM CDT until July 6 at 10:00PM CDT by NWS Chicago IL

Effective: Mon July 6, 2026, 6:41 PM
Expires: Mon July 6, 2026, 10:00 PM

...Observed flooding changed to Minor severity and increased in duration for the following rivers in Illinois... Du Page River at Shorewood affecting Will County. * WHAT...Minor flooding is forecast. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...Until late this evening. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 5:45 PM CDT Monday the stage was 15.6 feet. - Recent Activity...The river continues a gradual fall. - Forecast...The river is expected to fall below flood stage tonight - Flood stage is 15.5 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 this evening.