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Elev 518 ft, 41.29 °N, 89.51 °W

Tiskilwa, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Tiskilwa, IL
Elevation: 518ft
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Active Weather Alerts

River Flood Warning
Issued: 4:15 PM Aug. 15, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...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 19.3 feet.
- Forecast...The river is expected to rise above flood stage this
evening and remain in flood through next week.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

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