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.

Mostly Cloudy

77°F

25°C

Humidity 51%
Wind Speed W 5 mph
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Aug 1:54 pm CDT
Extended Forecast for

South Pekin IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 58. Light east southeast wind.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south southeast around 6 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southeast wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Partly sunny through mid morning, then becoming sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 86 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Calm wind.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 58. Light east southeast wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south southeast around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 64. Southeast wind 3 to 6 mph.
Wednesday
A 30 percent chance of showers after 1pm. Partly sunny through mid morning, then becoming sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 62. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Pekin IL
 40.48°N 89.68°W (Elev. 518 ft)
Last Update:
1:26 pm CDT Aug 24, 2026
Forecast Valid:
3pm CDT Aug 24, 2026-6pm CDT Aug 30, 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