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 Warning issued April 17 at 11:17AM CDT by NWS Chicago IL

Effective: Fri April 17, 2026, 4:17 PM
Expires: Sat April 18, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, Kane and McHenry Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 13.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Friday was 13.5 feet. The river was currently cresting. - Forecast...The river is expected to remain near flood stage for the next several days. - Flood stage is 13.5 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 late tonight.

Flood Warning issued April 17 at 11:24PM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 4:24 AM
Expires: Sat April 18, 2026, 10:30 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, Kane and McHenry Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater, Montgomery, Dayton...Moderate flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 11:00 PM CDT Friday the stage was 13.5 feet. - Forecast...The river will remain near flood stage for the next several days. - Flood stage is 13.5 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 11:13PM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 4:13 AM
Expires: Sat April 18, 2026, 10:15 PM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. * WHAT...Minor flooding is occurring and moderate 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 14.0 feet, Residences threatened east of the river just south of IL-22 (Half-Day Road). Lincolnshire Drive threatened at Wiltshire Lane. 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 10:45 PM CDT Friday the stage was 13.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 PM CDT Friday was 13.8 feet. The river has begun to rise due to recent rainfall. - Forecast...The river is now expected to crest near 15.0 feet late Saturday due to recent rainfall. - Flood stage is 12.5 feet. - Flood History...This crest compares to a previous crest of 15.1 feet on 09/14/2019. - 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 10:59PM CDT until April 20 at 4:00AM CDT by NWS Chicago IL

Effective: Sat April 18, 2026, 3:59 AM
Expires: Sat April 18, 2026, 10:00 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: Sat April 18, 2026, 3:55 AM
Expires: Sat April 18, 2026, 10:00 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.