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Elev 205 ft, 41.26 °N, 89.23 °W

Granville, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Granville, IL
Elevation: 205ft
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Active Weather Alerts

River Flood Warning
Issued: 2:30 AM Jun. 22, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY, JUNE 28...

* 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 Sunday, June 28.

* 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 8:45 PM CDT Sunday the stage was 20.9 feet.
- Forecast...The river is expected to rise to a crest of 23.2
feet early Wednesday morning. It will then fall below flood
stage Saturday evening.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 2:14 AM Jun. 22, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY, JUNE 28...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River at Henry.

* WHEN...Until Sunday, June 28.

* 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 8:45 PM CDT Sunday the stage was 22.9 feet.
- Forecast...The river is expected to rise above flood stage
tomorrow evening to a crest of 23.7 feet early Thursday
morning. It will then fall below flood stage Saturday
evening.
- Flood stage is 23.0 feet.
- http://www.weather.gov/safety/flood

&&

Fld   Observed           Forecasts (7 pm CDT)
Location      Stg   Stg   Day/Time     Mon   Tue   Wed

Illinois River
Henry         23.0  22.9  Sun 8 pm CDT 23.0  23.3  23.6


&&



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