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 Watch issued April 16 at 12:29PM CDT by NWS Chicago IL

Effective: Thu April 16, 2026, 12:29 PM
Expires: Fri April 17, 2026, 5:30 AM

...The Flood Watch is extended for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau zones. For the Illinois River (Upper)...including La Salle...flooding is possible. * WHAT...Flooding is possible. * 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. * ADDITIONAL DETAILS... - At 11:45 AM CDT Thursday the stage was 19.0 feet. - Recent Activity...The river has been generally unchanged just below bankfull the last few days. - Forecast...Flood stage may be reached by this weekend based upon the latest forecasted rainfall. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 Watch issued April 16 at 9:07PM CDT by NWS Chicago IL

Effective: Thu April 16, 2026, 9:07 PM
Expires: Fri April 17, 2026, 3:15 PM

...The Flood Watch continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam zones. * WHAT...Flooding is possible. * 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 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 8:45 PM CDT Thursday the stage was 19.1 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 Friday afternoon.

Flood Warning issued April 16 at 10:43AM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 10:43 AM
Expires: Fri April 17, 2026, 10:45 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Henry IL and Whiteside Counties. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River at Como affecting Whiteside County. * WHAT...Moderate flooding is forecast. * WHERE...Rock River at Moline. * WHEN...From Friday afternoon until further notice. * IMPACTS...At 13.2 feet, Water affects 60th Street south of John Deere Road in Moline and 56th Ave from Green Valley Park 48th St. Water is on Canal Road in Big Island. Smith's Island is affected by flood waters. * ADDITIONAL DETAILS... - At 9:30 AM CDT Thursday the stage was 10.8 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon and continue rising to a crest of 13.6 feet Monday morning. More rain is forecast Friday night which may result in a higher crest. - Flood stage is 12.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Friday morning at 1045 AM CDT.

Flood Warning issued April 16 at 10:43AM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 10:43 AM
Expires: Fri April 17, 2026, 10:45 AM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... Rock River near Joslin affecting Rock Island, Henry IL and Whiteside Counties. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River at Como affecting Whiteside County. * WHAT...Moderate flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From late tonight until further notice. * IMPACTS...At 15.0 feet, Water affects residences in the Thompson addition. * ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 10.4 feet. - Forecast...The river is expected to rise above flood stage late tonight and continue rising to a crest of 15.5 feet Monday morning. More rain is forecast Friday night which may result in a higher crest. - Flood stage is 12.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. The next statement will be issued by Friday morning at 1045 AM CDT.

Flood Warning issued April 16 at 8:50PM CDT by NWS Quad Cities IA IL

Effective: Thu April 16, 2026, 8:50 PM
Expires: Fri April 17, 2026, 9:00 PM

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Iowa River at Wapello affecting Louisa County. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. ...The Flood Warning continues for the following rivers in Iowa... Illinois... Iowa River at Oakville affecting Louisa County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... English River at Kalona affecting Johnson and Washington Counties. * WHAT...Moderate flooding is forecast. * WHERE...Rock River at Moline. * WHEN...From Friday afternoon until further notice. * IMPACTS...At 13.2 feet, Water affects 60th Street south of John Deere Road in Moline and 56th Ave from Green Valley Park 48th St. Water is on Canal Road in Big Island. Smith's Island is affected by flood waters. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 11.1 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon and continue rising to a crest of 13.4 feet early Sunday afternoon. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by this evening at 1000 PM CDT.