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Elev 600 ft, 40.36 °N, 90.09 °W

Lewistown, IL Severe Weather Alertstar_ratehome

icon76 Â°F Therkildsen Field Station Station|Report|Change
Current Station
Personal Weather Station
Location: Lewistown, IL
Elevation: 600ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:27 PM Jun. 23, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.

* WHERE...Illinois River near Havana.

* WHEN...Until further notice.

* IMPACTS...At 19.5 feet, Access road to Anderson Lake north
campground closed.

* ADDITIONAL DETAILS...
- At 8:45 AM CDT Tuesday the stage was 19.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 AM CDT Tuesday was 19.3 feet.
- Forecast...The river is expected to rise to a crest of 19.9
feet Friday morning.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood

&&

Fld   Observed           Forecasts (7 am CDT)
Location      Stg   Stg   Day/Time     Wed   Thu   Fri

Illinois River
Havana        14.0  19.3  Tue 8 am CDT 19.6  19.7  19.9


&&



River Flood Warning
Issued: 1:56 PM Jun. 23, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE TOMORROW MORNING...

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

* WHERE...Spoon River at London Mills.

* WHEN...Until late tomorrow morning.

* IMPACTS...At 15.0 feet, Minor flooding begins to agricultural land
near the river.

* ADDITIONAL DETAILS...
- At 7:45 AM CDT Tuesday the stage was 16.7 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 AM CDT Tuesday was 17.3 feet.
- Forecast...The river is expected to fall below flood stage
late tonight and continue falling to 5.9 feet Tuesday, June
30.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood

&&

Fld   Observed           Forecasts (7 am CDT)
Location    Stg   Stg   Day/Time     Wed   Thu   Fri

Spoon River
London Mill 15.0  16.7  Tue 7 am CDT 14.6  11.0  9.1


&&



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