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

Elevation Above Sea Level: 450 feet

Nearest Address:
782 Cook St
Henry, IL 61537
Marshall County

GPS Coordinates: 41.1072222, -89.3561111

Nearby Water Temperatures

Flood Warning issued July 7 at 9:32PM CDT until July 9 at 1:00AM CDT by NWS Lincoln IL

Effective: Tue July 7, 2026, 9:32 PM
Expires: Wed July 8, 2026, 1:45 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Tazewell, Peoria and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. Illinois River near Havana affecting Mason, Fulton and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...Until early Thursday morning. * IMPACTS...At 23.0 feet, Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 23.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Tuesday was 23.1 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 19.7 feet Tuesday, July 14. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

Flood Warning issued July 7 at 9:27PM CDT until July 9 at 1:00AM CDT by NWS Chicago IL

Effective: Tue July 7, 2026, 9:27 PM
Expires: Wed July 8, 2026, 3:30 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Putnam, Bureau and La Salle 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 Tuesday the stage was 21.4 feet. - Recent Activity...The river continues a gradual fall. - Forecast...The river is expected to fall below flood stage tomorrow night. - 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 July 8 at 9:45AM CDT until July 9 at 1:00AM CDT by NWS Chicago IL

Effective: Wed July 8, 2026, 9:45 AM
Expires: Thu July 9, 2026, 1:00 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 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 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 8:45 AM CDT Wednesday the stage was 20.7 feet. - Forecast...The river is expected to fall below flood stage late this evening or early Thursday morning. - 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 July 7 at 9:32PM CDT until July 12 at 7:00PM CDT by NWS Lincoln IL

Effective: Tue July 7, 2026, 9:32 PM
Expires: Wed July 8, 2026, 1:45 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Tazewell, Peoria and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. Illinois River near Havana affecting Mason, Fulton and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Peoria. * WHEN...Until Sunday evening. * IMPACTS...At 18.0 feet, Some flooding begins to bottomland not protected by levees. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 19.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Tuesday was 19.3 feet. - Forecast...The river is expected to remain nearly steady at 19.3 feet for the next couple of days. It will then fall below flood stage early Sunday afternoon. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

Flood Warning issued July 8 at 10:04AM CDT until July 12 at 4:00AM CDT by NWS Lincoln IL

Effective: Wed July 8, 2026, 10:04 AM
Expires: Thu July 9, 2026, 2:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Peoria, Tazewell and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Brown, Morgan and Cass Counties. Illinois River at Havana affecting Mason, Cass and Fulton Counties. .The Illinois River will level off for a time later this week, but the overall trend is for falling levels by the weekend. The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Peoria. * WHEN...Until early Sunday morning. * IMPACTS...At 18.0 feet, Some flooding begins to bottomland not protected by levees. * ADDITIONAL DETAILS... - At 9:45 AM CDT Wednesday the stage was 19.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Wednesday was 19.3 feet. - Forecast...The river is expected to fall below flood stage late Saturday evening and continue falling to 16.1 feet Wednesday, July 15. - Flood stage is 18.0 feet.

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.