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.

Overcast

66°F

19°C

Humidity 96%
Wind Speed S 8 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 25 Jul 8:54 am CDT
Extended Forecast for

Pekin IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 84. South southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 71. Light and variable wind.

    Low: 71 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 93. Heat index values as high as 109. Calm wind becoming south 5 to 7 mph in the morning.

    High: 93 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South southwest wind 3 to 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 98. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. North wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 84. South southwest wind around 6 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 71. Light and variable wind.
Sunday
Partly sunny, with a high near 93. Heat index values as high as 109. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 76. South southwest wind 3 to 5 mph.
Monday
Sunny and hot, with a high near 98. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 75. Southwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 92. North wind 5 to 8 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pekin IL
 40.59°N 89.65°W (Elev. 449 ft)
Last Update:
9:17 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 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