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 August 1 at 8:13AM CDT until August 3 at 12:00AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 8:13 AM
Expires: Sun August 2, 2026, 2:15 AM

...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Illinois... East Branch Du Page River at Bolingbrook affecting DuPage and Will Counties. 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...From this evening to late Sunday night. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 7:45 AM CDT Saturday the stage was 11.2 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 16.4 feet tomorrow morning. It will then fall below flood stage tomorrow evening. - 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 215 AM CDT.

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

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

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Central Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 100 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. High water may recede slowly from flooded areas. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - At 1058 AM CDT, Doppler radar and automated rain gauges indicated heavy rain from earlier this morning. Flooding is ongoing in the warned area. Between 2 and 4 inches of rain have fallen. - Scattered heavy rain showers late this morning may result in additional rainfall amounts up to 1 inch in the warned area. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Evanston, Bolingbrook, Skokie, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Romeoville, Plainfield, Park Ridge and Addison. - 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.

Flood Warning issued August 1 at 9:09AM CDT until August 1 at 1:00PM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 9:09 AM
Expires: Sat August 1, 2026, 1:00 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 100 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. High water may recede slowly from flooded areas. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - At 906 AM CDT, Doppler radar and automated rain gauges indicated heavy rain. Flooding is ongoing in the warned area. Between 2 and 4 inches of rain have fallen. - Scattered heavy rain showers late this morning may result in additional rainfall amounts up to 1 inch in the warned area. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Evanston, Bolingbrook, Skokie, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Romeoville, Plainfield, Park Ridge and Addison. - 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.

Flash Flood Warning issued August 1 at 8:25AM CDT until August 1 at 11:45AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 8:25 AM
Expires: Sat August 1, 2026, 11:45 AM

At 825 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 4 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Downers Grove, Elmhurst, Lombard, Addison, Woodridge, Glen Ellyn, Melrose Park, Maywood, Brookfield, Franklin Park, Hinsdale, Westchester, Lemont, La Grange, Burr Ridge, Oak Brook and Elmwood Park.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, 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.

Flash Flood Warning issued August 1 at 7:41AM CDT until August 1 at 11:45AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 7:41 AM
Expires: Sat August 1, 2026, 11:45 AM

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Central Cook County in northeastern Illinois... Southeastern DuPage County in northeastern Illinois... * Until 1145 AM CDT. * At 741 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. * Some locations that will experience flash flooding include... Downers Grove, Elmhurst, Lombard, Addison, Woodridge, Glen Ellyn, Melrose Park, Maywood, Brookfield, Franklin Park, Hinsdale, Westchester, Lemont, La Grange, Burr Ridge, Oak Brook and Elmwood Park.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.