National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

70°F

21°C

Humidity 64%
Wind Speed E 7 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 9:54 pm CDT
Extended Forecast for

Forest City IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light east southeast wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Light east wind.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Light east wind.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light east southeast wind.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 58. Light east wind.
Sunday
Mostly sunny, with a high near 82. Light east wind.
Sunday Night
Partly cloudy, with a low around 55. Calm wind.
Labor Day
Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest City IL
 40.38°N 89.83°W (Elev. 518 ft)
Last Update:
10:24 pm CDT Aug 29, 2025
Forecast Valid:
10pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation