41°19'N / 89°18'W / Altitude 143 m / 16:20 2026/06/17, America/Chicago (UTC-5)
From: 2026/06/17, 10:07
To: 2026/06/17, 19:00
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northwest Illinois, including the following areas, in north central Illinois, Bureau and Putnam. In northwest Illinois, Henry IL and Whiteside. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall, with some seeing repeating rounds of storms though the day. There will be the potential to see around 3 inches or more of rainfall.
From: 2026/06/17, 10:58
To: 2026/06/18, 03:00
...The National Weather Service in Lincoln IL has issued a Flood Warning for the following rivers in Illinois... Illinois River at Henry affecting Marshall and Putnam Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...From late Thursday night until further notice. * 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 10:45 AM CDT Wednesday the stage was 22.6 feet. - Forecast...The river is expected to rise above flood stage early Friday morning and continue rising to a crest of 24.8 feet early Sunday afternoon. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood
From: 2026/06/17, 11:48
To: 2026/06/18, 06:00
...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, Putnam 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 further notice. * 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 10:45 AM CDT Wednesday the stage was 21.1 feet. - Forecast...The river is now expected to crest near 24 to 25 feet on Friday. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood