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Elev 666 ft, 40.74 °N, 87.9 °W

Onarga, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Onarga, IL
Elevation: 666ft
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River Flood Warning
Issued: 2:13 AM Aug. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING...

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

* WHERE...Sugar Creek from Near Milford downstream to confluence with
Iroquois River at Watseka, including the Milford gauge.

* WHEN...Until Tuesday morning.

* IMPACTS...At 19.0 feet, Structures threatened in southwest Milford.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Sunday the stage was 19.8 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 8:00 PM CDT Sunday was 19.9 feet.
- Forecast...The river is expected to rise to a crest of 20.0 feet
just after midnight tonight. It will then fall below flood stage
early Tuesday morning.
- Flood stage is 18.0 feet.
- http://www.weather.gov/safety/flood

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