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 21 at 8:53PM CDT until April 24 at 7:00AM CDT by NWS Chicago IL

Effective: Tue April 21, 2026, 8:53 PM
Expires: Wed April 22, 2026, 3:00 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, Putnam and La Salle 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 Friday morning. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 20.8 feet. - Forecast...The river is expected to fall below flood stage late this week. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

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. 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. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.

Flood Warning issued April 22 at 10:30AM CDT until April 25 at 7:00AM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 10:30 AM
Expires: Thu April 23, 2026, 4:30 AM

...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau 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 Saturday morning. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 20.7 feet. - Forecast...The river is expected to fall below flood stage by early Saturday. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

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. 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. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Flood Warning issued April 21 at 8:39PM CDT by NWS Chicago IL

Effective: Tue April 21, 2026, 8:39 PM
Expires: Wed April 22, 2026, 2:45 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry 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 8:00 PM CDT Tuesday the stage was 13.6 feet. - Forecast...The river is expected to remain nearly steady until further notice. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood

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. 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. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.

Flood Warning issued April 22 at 10:39AM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 10:39 AM
Expires: Thu April 23, 2026, 4:45 AM

...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 Kane, McHenry and Lake IL 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 Wednesday the stage was 13.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 13.6 feet. - Forecast...The river is expected to remain nearly steady at around 13.6 feet until at least early next week. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood

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. 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. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Flood Warning issued April 21 at 8:39PM CDT by NWS Chicago IL

Effective: Tue April 21, 2026, 8:39 PM
Expires: Wed April 22, 2026, 2:45 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kendall and Kane Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry Counties. * WHAT...Moderate flooding is occurring and major flooding is forecasted. * 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 Tuesday the stage was 11.9 feet. - Forecast...The river is expected to continue rising into Major flood stage and remain so until further notice. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood

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. 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. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.