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Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

70°F

21°C

Humidity 66%
Wind Speed S 6 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 11:54 am CDT
Extended Forecast for

South Pekin IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South southwest wind 3 to 5 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South southeast wind 3 to 6 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. West wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Partly cloudy, with a low around 63. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 77. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South southwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 63. South southeast wind 3 to 6 mph.
Columbus Day
Sunny, with a high near 90. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 71. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 87. West wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Showers likely after 1am. Partly cloudy, with a low around 63. North northeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 77. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Pekin IL
 40.5°N 89.65°W (Elev. 509 ft)
Last Update:
10:46 am CDT Oct 11, 2026
Forecast Valid:
12pm CDT Oct 11, 2026-6pm CDT Oct 17, 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