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 7 at 10:04AM CDT until April 9 at 7:00PM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 10:04 AM
Expires: Wed April 8, 2026, 4:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Putnam, La Salle and Bureau Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * 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 Thursday evening. * 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 9:45 AM CDT Tuesday the stage was 21.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Tuesday was 23.0 feet. - Forecast...The river is expected to fall below flood stage early Thursday afternoon and continue falling to 17.4 feet by Tuesday, April 14. - 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 late tonight.

Flood Warning issued April 7 at 9:34PM CDT until April 10 at 1:00AM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 9:34 PM
Expires: Wed April 8, 2026, 3:45 PM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam 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 early Friday morning. * 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 8:45 PM CDT Tuesday the stage was 21.5 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling. - 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 Wednesday afternoon.

Flood Warning issued April 7 at 10:01AM CDT until April 11 at 7:00AM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 10:01 AM
Expires: Wed April 8, 2026, 4:15 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecasted. * WHAT...Minor 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...From this morning to Saturday morning. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 9.5 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet tomorrow morning. It is then expected to fall below flood stage Saturday morning. - 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 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 7 at 9:29PM CDT until April 11 at 1:00PM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 9:29 PM
Expires: Wed April 8, 2026, 3:30 PM

...The Flood Warning is extended for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until early Saturday afternoon. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 9.6 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet Wednesday morning. It will then fall below flood stage Saturday morning. - 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 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 Wednesday afternoon.