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Elev 699 ft, 41.26 °N, 89.18 °W

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Personal Weather Station
Location: Standard, IL
Elevation: 699ft
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Active Weather Alerts

River Flood Warning
Issued: 4:56 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM LATE SUNDAY NIGHT UNTIL FURTHER
NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River at Henry.

* WHEN...From late Sunday 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 11:45 PM CDT Friday the stage was 18.4 feet.
- Forecast...The river is expected to rise above flood stage
early Monday morning and continue rising to a crest of 23.8
feet Tuesday evening.
- Flood stage is 23.0 feet.
- http://www.weather.gov/safety/flood

&&

Fld   Observed           Forecasts (1 am CDT)
Location      Stg   Stg   Day/Time     Sun   Mon   Tue

Illinois River
Henry         23.0  18.4  Fri 11 pm CD 21.0  22.8  23.6


&&



River Flood Warning
Issued: 3:09 AM 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.

* ADDITIONAL DETAILS...
- At 9:45 PM CDT Friday the stage was 20.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:45 PM CDT Friday was 20.3 feet.
- Forecast...The river is expected to rise to a crest of 25.0
feet Sunday evening. It will then fall below flood stage
Friday, April 10.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

&&



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