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Elev 658 ft, 41.44 °N, 89.11 °W

La Salle, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: La Salle, IL
Elevation: 658ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 4:38 PM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TUESDAY MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River from Heritage Harbor east of Ottawa
downstream to Starved Rock Lock and Dam, including the Ottawa
gauge.

* WHEN...Until early Tuesday morning.

* IMPACTS...At 464.0 feet, Backwater causes the Fox River to reach
bankfull near St. Elizabeth Medical Center in Ottawa.

* ADDITIONAL DETAILS...
- At 10:30 AM CDT Saturday the stage was 463.0 feet.
- Forecast...The river is expected to rise to a crest of 464.5
feet early tomorrow afternoon. It will then fall below flood
stage Monday evening.
- Flood stage is 463.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 4:38 PM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* 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 Saturday the stage was 21.2 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:45 AM CDT Saturday was 21.2 feet.
- Forecast...The river is expected to rise to a crest of 23.4
feet early Monday morning. It will then fall below flood
stage near the end of next week.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:46 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY EVENING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Fox River from Millington downstream to confluence with
the Illinois River, including the Dayton gauge.

* WHEN...Until late Monday evening.

* IMPACTS...At 13.0 feet, Residential structures threatened along
2062nd Road in Wedron. Water overflows low-lying banks in Dayton
and Ottawa.

* ADDITIONAL DETAILS...
- At 8:45 PM CDT Friday the stage was 12.2 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 PM CDT Friday was 12.4 feet.
- Forecast...The river is expected to rise to a crest of 13.2
feet Sunday morning. It will then fall below flood stage
Monday afternoon.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood

&&



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