Station Name: CALUMET SAG CHANNEL AT BLUE ISLAND, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
13198 Division St
Blue Island, IL 60406
Cook County

GPS Coordinates: 41.65281186, -87.670326

Nearby Water Temperatures

Flood Warning issued August 1 at 2:44PM CDT until August 2 at 9:00AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 2:44 PM
Expires: Sun August 2, 2026, 9:00 AM

...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Sunday morning. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 2:15 PM CDT Saturday the stage was 8.6 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 10.0 feet this evening. It will then fall below flood stage late tonight. - 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 Sunday morning at 900 AM CDT.

Flood Warning issued August 1 at 9:30PM CDT until August 3 at 6:08PM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 9:30 PM
Expires: Sun August 2, 2026, 3:30 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 Little Calumet River...including Munster (Hohman Avenue)... 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 Monday evening. * IMPACTS...At 13.5 feet, Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Margaret Street in Thornton. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday, the stage was 11.1 feet. - Forecast...The river is expected to rise to a crest of 13.6 feet tomorrow morning. It will then fall below flood stage Monday afternoon. - 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 Sunday afternoon at 330 PM CDT.

Flood Warning issued August 1 at 11:37PM CDT until August 2 at 11:00AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 11:37 PM
Expires: Sun August 2, 2026, 11:00 AM

* WHAT...Flooding caused by excessive rainfall will continue. * WHERE...Southeastern Cook County in northeastern Illinois... Central Will County in northeastern Illinois... Northwestern Lake IN County in northwestern Indiana... * WHEN...Until 1100 AM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Slow moving or standing water may continue. High water may only slowly recede from flooded areas. * ADDITIONAL DETAILS... - At 1133 PM CDT, gauges on area creeks, streams, and rivers indicated ongoing flooding from earlier excessive rainfall in the warned area. - Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Chicago Heights, East Chicago, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson, Mokena, Frankfort, Steger, and South Holland. - http://www.weather.gov/safety/flood

A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Flood Warning issued August 1 at 4:50PM CDT until August 2 at 7:00AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 4:50 PM
Expires: Sun August 2, 2026, 7:00 AM

...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Little Calumet River...including South Holland, Munster (Hohman Avenue)...Minor flooding is forecast. * 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...Until Sunday morning. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 4:00 PM CDT Saturday the stage was 11.5 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 12.5 feet this evening. It will then fall below flood stage just after midnight tonight. - 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 Sunday morning at 700 AM CDT.

Flood Warning issued August 1 at 9:30PM CDT until August 2 at 4:00PM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 9:30 PM
Expires: Sun August 2, 2026, 3:30 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 Little Calumet River...including Munster (Hohman Avenue)... Minor flooding is forecast. * 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...Until Sunday afternoon. * IMPACTS...At 12.5 feet, most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday, the stage was 12.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 12.3 feet tomorrow morning. It will then fall below flood stage late tomorrow morning or during the early 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 Sunday afternoon at 330 PM CDT.