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Elev 761 ft, 41.11 °N, 90.4 °W

Rio, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Rio, IL
Elevation: 761ft
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Active Weather Alerts

River Flood Warning
Issued: 12:44 AM Aug. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING...

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

* WHERE...Spoon River at London Mills.

* WHEN...Until tomorrow evening.

* ADDITIONAL DETAILS...
- At 6:45 PM CDT Monday the stage was 17.8 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 6:45 PM CDT Monday was 19.2 feet.
- Forecast...The river is expected to fall below flood stage
early tomorrow afternoon and continue falling to 6.0 feet
Monday, August 24.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood

&&

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

Spoon River
London Mill 15.0  17.8  Mon 6 pm CDT 14.2  10.9  8.8


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