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 Warning issued April 19 at 8:18PM CDT by NWS Chicago IL

Effective: Sun April 19, 2026, 8:18 PM
Expires: Mon April 20, 2026, 2:30 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Bureau and Putnam Counties. * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until further notice. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 21.5 feet. - Forecast...The river appears to be cresting. It will slowly fall but remain above flood stage through the week. - Flood stage is 20.0 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 almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by Monday afternoon.

Flood Warning issued April 20 at 11:36AM CDT by NWS Chicago IL

Effective: Mon April 20, 2026, 11:36 AM
Expires: Tue April 21, 2026, 5:45 AM

...The Flood Warning is extended for the following rivers in Illinois... Kishwaukee River near Perryville affecting Winnebago County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Illinois River at La Salle affecting La Salle, Bureau and Putnam Counties. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. Fox River at Montgomery affecting Kendall and Kane Counties. Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. ...Observed flooding changed to Minor severity for the following rivers in Illinois... Rock River at Dixon affecting Lee and Ogle Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until further notice. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 10:45 AM CDT Monday the stage was 21.3 feet. - Recent Activity...The river is currently cresting and has begun a slow fall. - Forecast...The river is expected to slowly fall the next several days. - Flood stage is 20.0 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 this evening.

Flood Warning issued April 19 at 8:11PM CDT by NWS Chicago IL

Effective: Sun April 19, 2026, 8:11 PM
Expires: Mon April 20, 2026, 2:15 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. * WHAT...Minor flooding is occurring and forecasted to continue. * 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 7:00 PM CDT Sunday the stage was 13.6 feet. - Forecast...The river is expected to remain near flood stage until further notice. - 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 almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by Monday afternoon.

Flood Warning issued April 20 at 11:36AM CDT by NWS Chicago IL

Effective: Mon April 20, 2026, 11:36 AM
Expires: Tue April 21, 2026, 5:45 AM

...The Flood Warning is extended for the following rivers in Illinois... Kishwaukee River near Perryville affecting Winnebago County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Illinois River at La Salle affecting La Salle, Bureau and Putnam Counties. Pecatonica River near Shirland affecting Winnebago County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. Fox River at Montgomery affecting Kendall and Kane Counties. Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. ...Observed flooding changed to Minor severity for the following rivers in Illinois... Rock River at Dixon affecting Lee and Ogle 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 Monday the stage was 13.6 feet. - Recent Activity...The river stage has been relatively steady just above flood stage the last few days. - 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 this evening.

Flood Warning issued April 19 at 8:11PM CDT by NWS Chicago IL

Effective: Sun April 19, 2026, 8:11 PM
Expires: Mon April 20, 2026, 2:15 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 11.5 feet. - Forecast...The river is expected to continue gradually rising through the week, and may approach Major flood stage toward the end of the week. - Flood stage is 9.5 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 almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by Monday afternoon.