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

93°F

34°C

Humidity 44%
Wind Speed W 10 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 1 Sep 12:54 pm CDT
Extended Forecast for

2 Miles ENE Mackinaw IL

Heat Advisory September 1, 01:09pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 01:09pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southwest wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Southwest wind 5 to 8 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming southwest around 6 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 102. West southwest wind around 7 mph.
Tonight
Clear, with a low around 75. South wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 77. South southwest wind around 6 mph.
Thursday
Sunny and hot, with a high near 96. Southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 94. Light and variable wind becoming southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Mackinaw IL
 40.56°N 89.33°W (Elev. 600 ft)
Last Update:
12:35 pm CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation