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Elev 191 ft, 41.37 °N, 88.85 °W

Ottawa, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Ottawa, IL
Elevation: 191ft
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River Flood Warning
Issued: 2:37 AM Apr. 9, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

* 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 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 Wednesday the stage was 20.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 PM CDT Wednesday was 21.4 feet.
- Forecast...The river is expected to fall below flood stage
Thursday evening.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

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