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

66°F

19°C

Humidity 52%
Wind Speed E 15 G 24 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 May 11:54 am CDT
Extended Forecast for

Pekin IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. East wind around 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. East wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 71. East northeast wind around 9 mph, with gusts as high as 18 mph.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 56 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Light and variable wind. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. East wind around 11 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 52. East wind 6 to 10 mph, with gusts as high as 22 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 71. East northeast wind around 9 mph, with gusts as high as 18 mph.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Calm wind.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Light and variable wind. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pekin IL
 40.57°N 89.62°W (Elev. 551 ft)
Last Update:
12:16 pm CDT May 21, 2026
Forecast Valid:
12pm CDT May 21, 2026-6pm CDT May 27, 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