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

59°F

15°C

Humidity 83%
Wind Speed S 7 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Nov 10:54 pm CST
Extended Forecast for

South Pekin IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Northwest wind 3 to 6 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Calm wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 38. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. South southwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 74. South southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly clear, with a low around 36. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 54. Northwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 32. Calm wind.
Monday
Mostly sunny, with a high near 54. Calm wind becoming east southeast 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 38. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Partly sunny, with a high near 55.
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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:
9:36 pm CST Nov 14, 2025
Forecast Valid:
11pm CST Nov 14, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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