Station Name: DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 512 feet

Nearest Address:
Channahon Road
Rockdale, IL 60436
Will County

GPS Coordinates: 41.5, -88.1069444

Nearby Water Temperatures

Flood Advisory issued June 17 at 7:02PM CDT until June 18 at 12:00AM CDT by NWS Chicago IL

Effective: Thu June 18, 2026, 12:02 AM
Expires: Thu June 18, 2026, 5:00 AM

* WHAT...Rivers to remain near bankfull and may result in localized flooding near streams and rivers. * WHERE...Portions of northeast Illinois, including the following county, Cook and northwest Indiana, including the following county, Lake IN. * WHEN...Until midnight CDT tonight. * IMPACTS...Creeks and streams may rise to near bankfull. * ADDITIONAL DETAILS... - At 659 PM CDT, Gauges report rising streams and rivers due to earlier heavy rainfall. - Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson and Frankfort. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.

Flood Warning issued June 17 at 6:06PM CDT until June 19 at 1:00AM CDT by NWS Chicago IL

Effective: Wed June 17, 2026, 11:06 PM
Expires: Thu June 18, 2026, 5:15 PM

...The National Weather Service in Chicago IL 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...From this evening to early Friday morning. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. At 11.0 feet, 187th Street threatened in Glenwood. * ADDITIONAL DETAILS... - At 5:45 PM CDT Wednesday the stage was 6.7 feet and rising rapidly. - Forecast...The river is expected to crest near 10.5 feet just after midnight 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 by Thursday afternoon.

Flood Warning issued June 17 at 8:06PM CDT until June 18 at 10:36PM CDT by NWS Chicago IL

Effective: Thu June 18, 2026, 1:06 AM
Expires: Thu June 18, 2026, 7:15 PM

...The Flood Warning continues 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 late tomorrow evening. * IMPACTS...At 11.5 feet, Glenwood Thornton Road threatened north of Glenwood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 8.4 feet. - Forecast...The river is expected to crest near 12 feet just after midnight tonight, then begin a slow fall. - 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 Thursday afternoon.

Flood Warning issued June 17 at 4:47PM CDT until June 18 at 6:01PM CDT by NWS Chicago IL

Effective: Wed June 17, 2026, 9:47 PM
Expires: Thu June 18, 2026, 4:00 PM

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Lake IN and Cook 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...From this afternoon to tomorrow evening. * 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 Wednesday the stage was 10.3 feet. - Forecast...The river is expected to crest of near 13 feet late this evening. - 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 Thursday morning.

Flood Warning issued June 17 at 8:03PM CDT until June 18 at 7:00PM CDT by NWS Chicago IL

Effective: Thu June 18, 2026, 1:03 AM
Expires: Thu June 18, 2026, 7:15 PM

...The Flood Warning is extended for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Little Calumet River...including Munster (Hohman Avenue)... 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 tomorrow evening. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 12.4 feet. - Forecast...The river is expected to crest of near 14 feet 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 by Thursday afternoon.