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

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed S 7 mph
Barometer 30.07 in (1017.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Aug 7:54 pm CDT
Extended Forecast for

South Pekin IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 72. South southeast wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 102. South wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South southeast wind around 9 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. South wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 89. South wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 72. South southeast wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 102. South wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 75. South southeast wind around 9 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. South wind 6 to 8 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 89. South wind 6 to 8 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Pekin IL
 40.5°N 89.65°W (Elev. 509 ft)
Last Update:
7:40 pm CDT Aug 7, 2025
Forecast Valid:
8pm CDT Aug 7, 2025-6pm CDT Aug 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation