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

87°F

31°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 2 Sep 10:54 am CDT
Extended Forecast for

Pekin IL

Extreme Heat Warning until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind 5 to 7 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Light and variable wind.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Tonight
Mostly clear, with a low around 77. South wind around 6 mph.
Thursday
Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 95. Light and variable wind.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny, with a high near 93. Calm wind.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pekin IL
 40.57°N 89.65°W (Elev. 440 ft)
Last Update:
10:36 am CDT Sep 2, 2026
Forecast Valid:
11am CDT Sep 2, 2026-6pm CDT Sep 8, 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