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.

Mostly Cloudy

63°F

17°C

Humidity 73%
Wind Speed Calm
Barometer 30.22 in (1023.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Jun 7:54 am CDT
Extended Forecast for

Pekin IL

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 62. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. East wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind.
Tonight
Partly cloudy, with a low around 59. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 62. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82. Light and variable wind.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. East wind 3 to 6 mph. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pekin IL
 40.57°N 89.65°W (Elev. 440 ft)
Last Update:
6:36 am CDT Jun 23, 2026
Forecast Valid:
8am CDT Jun 23, 2026-6pm CDT Jun 29, 2026
 
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