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 Watch issued April 18 at 4:46AM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 4:46 AM
Expires: Sat April 18, 2026, 11:00 PM

...The Flood Watch continues for the following rivers in Indiana... Kankakee River at Shelby affecting Lake IN and Newton Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. For the Kankakee River...including Shelby...flooding is possible. * WHAT...Flooding is possible. * WHERE...Kankakee River from Near I-65 and De Motte downstream to IL/IN state line, including the Shelby gauge. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, Water overflows low-lying river banks along Bluegrass Road east of Sumava Resorts and along Westwood Drive and Island Boulevard near Shelby. Water begins to be diverted through the Blackberry Marsh Spillway to reduce flood impacts. * ADDITIONAL DETAILS... - At 3:45 AM CDT Saturday the stage was 9.9 feet. - Forecast...Flood stage may be reached on Sunday. - Flood stage is 10.5 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 April 17 at 10:59PM CDT until April 20 at 4:00AM CDT by NWS Chicago IL

Effective: Fri April 17, 2026, 10:59 PM
Expires: Sat April 18, 2026, 5:00 PM

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Des Plaines River at Riverside affecting Cook County. For the Des Plaines River...including Riverside...Minor flooding is forecasted. * WHAT...Minor flooding is forecasted. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From Saturday afternoon to early Monday morning. * IMPACTS...At 8.0 feet, Park areas are inundated near the confluence of Des Plaines River and Salt Creek. * ADDITIONAL DETAILS... - At 9:45 PM CDT Friday the stage was 6.7 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon to a crest of 7.9 feet Sunday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 7.5 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 Saturday afternoon.

Flood Warning issued April 17 at 10:55PM CDT by NWS Chicago IL

Effective: Fri April 17, 2026, 10:55 PM
Expires: Sat April 18, 2026, 5:00 PM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Cook County. For the Des Plaines River...including Des Plaines, Riverside...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecasted to continue. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, Central Road and Golf Road are threatened in Des Plaines. * ADDITIONAL DETAILS... - At 10:45 PM CDT Friday the stage was 16.3 feet. - Forecast...The river is expected to rise to a crest of 17.1 feet tomorrow evening. It will then be slow to fall into next week. - Flood stage is 15.0 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 Saturday afternoon.

Flood Warning issued April 18 at 1:32AM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 1:32 AM
Expires: Sat April 18, 2026, 7:45 PM

...Forecast flooding changed from Moderate to Major severity for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Lake IL and Cook Counties. For the Des Plaines River...including Lincolnshire...Major flooding is forecast. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...Until further notice. * IMPACTS...At 15.0 feet, Structures threatened along IL-22 (Half-Day Road) just east of the river. Multiple structures threatened near and west of US-45 (Milwaukee Avenue) and Deerfield Road. Deerfield Road threatened near the river. Multiple trails inundated in Half-Day Forest Preserve. * ADDITIONAL DETAILS... - At 12:45 AM CDT Saturday the stage was 14.1 feet. - Recent Activity...Recent rainfall caused the river level to rise quickly from 13.6 feet this afternoon to now over 14 feet. - Forecast...The river is expected to rise to a crest near 15.5 feet late Saturday. It will then gradually fall through the early part of next week. - Flood stage is 12.5 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 April 18 at 12:38PM CDT until April 20 at 1:00AM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 12:38 PM
Expires: Sun April 19, 2026, 6:45 AM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River at Riverside affecting Cook County. For the Des Plaines River...including Riverside...Minor flooding is forecasted to occur. * WHAT...Minor flooding is forecasted. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From late tonight to early Monday morning. * IMPACTS...At 7.5 feet, Low-lying sections of Miller Meadow, Indian Gardens, Cermak Woods, Ottawa Trail Woods, and other forest land along the river are inundated. * ADDITIONAL DETAILS... - At 11:45 AM CDT Saturday the stage was 7.1 feet. - Forecast...The river is expected to rise to a crest near flood stage tonight and into tomorrow. It is then expected to fall early next week. - Flood stage is 7.5 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 Sunday morning.