Station Name: Seneca
Data Source: USGS

Elevation Above Sea Level: 499 feet

Nearest Address:
Harbor Lane
Seneca, IL 61360
La Salle County

GPS Coordinates: 41.2997, -88.6142

Nearby Water Temperatures

Flood Warning issued June 15 at 9:23PM CDT until June 18 at 1:00AM CDT by NWS Chicago IL

Effective: Mon June 15, 2026, 9:23 PM
Expires: Tue June 16, 2026, 3:30 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * 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 Thursday 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 Monday the stage was 22.1 feet. - Forecast...The river is expected to fall below flood stage Wednesday night. - 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 Tuesday afternoon.

Flood Warning issued June 16 at 10:02AM CDT until June 18 at 1:00AM CDT by NWS Chicago IL

Effective: Tue June 16, 2026, 10:02 AM
Expires: Wed June 17, 2026, 4:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is occurring. * 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 Thursday morning. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * 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 22.4 feet. - Forecast...The river is expected to fall below flood stage Wednesday night. - 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.