Station Name: ILLINOIS RIVER AT SENECA, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 499 feet

Nearest Address:
511 N 2553rd Rd
Seneca, IL 61341
La Salle County

GPS Coordinates: 41.2997222, -88.6141667

Nearby Water Temperatures

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

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

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Cook County in northeastern Illinois... Southeastern DuPage County in northeastern Illinois... Will County in northeastern Illinois... Northern Lake IN County in northwestern Indiana... * WHEN...Until 100 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 656 PM CDT, Doppler radar and automated rain gauges indicated light to moderate rain occurring in areas where heavy rainfall occurred earlier. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Chicago, Joliet, Hammond, Gary, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Merrillville, Woodridge, Chicago Heights, Roseland, Chicago Lawn, Englewood, and South Shore. - 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 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 2:42PM CDT until August 2 at 9:00PM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 2:42 PM
Expires: Sun August 2, 2026, 10:00 AM

...The Flood Warning continues for the following rivers in Illinois... Du Page River at Shorewood affecting Will County. For the Du Page River...including Plainfield, Shorewood...Minor flooding is forecast. * 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 late tonight to Sunday evening. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 1:45 PM CDT Saturday the stage was 13.6 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 15.8 feet tomorrow morning. It will then fall below flood stage early tomorrow afternoon. - 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 Sunday morning at 1000 AM CDT.

Flood Warning issued August 1 at 9:34PM CDT until August 2 at 4:00PM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 9:34 PM
Expires: Sun August 2, 2026, 3:45 PM

...The Flood Warning continues for the following rivers in Illinois... Du Page River at Shorewood affecting Will County. * WHAT...Minor flooding is possible. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...Until Sunday afternoon. * IMPACTS...At 15.0 feet, trails are inundated at Hammel Woods in Shorewood. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday, the stage was 14.4 feet. - Forecast...The river is expected to rise to a crest of near 15.5 feet tomorrow morning. - 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. Additional information is available at www.weather.gov. The next statement will be issued Sunday afternoon at 345 PM CDT.

Flood Watch issued August 1 at 6:52PM CDT until August 2 at 1:00AM CDT by NWS Chicago IL

Effective: Sat August 1, 2026, 6:52 PM
Expires: Sun August 2, 2026, 1:00 AM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Ford, Iroquois and Kankakee and northwest Indiana, including the following areas, Benton, Jasper, Lake IN, Newton, and Porter. * WHEN...Until 1 AM CDT /2 AM EDT/ Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A slow-moving weather system may continue to bring periods of moderate to heavy rainfall which may lead to localized flooding through this evening. - http://www.weather.gov/safety/flood

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.