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

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

26°C

78°F

Humidity 82%
Wind Speed Calm
Barometer 1013.7 mb (29.95 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 12 Jul 8:54 pm CDT
Extended Forecast for

4 Miles S Mackinaw IL

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West northwest wind 5 to 10 km/h becoming calm.

    Low: 19 °C

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 29. Calm wind becoming south southwest 5 to 8 km/h in the morning.

    High: 29 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °C

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Calm wind becoming south 5 to 10 km/h in the morning.

    High: 32 °C

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. South wind 8 to 13 km/h.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 8 to 10 km/h.

    Low: 22 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.

    High: 31 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West northwest wind 5 to 10 km/h becoming calm.
Sunday
Partly sunny, with a high near 29. Calm wind becoming south southwest 5 to 8 km/h in the morning.
Sunday Night
Partly cloudy, with a low around 18. Calm wind.
Monday
Sunny, with a high near 32. Calm wind becoming south 5 to 10 km/h in the morning.
Monday Night
Partly cloudy, with a low around 21. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31. South wind 8 to 13 km/h.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 8 to 10 km/h.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 30.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mackinaw IL
 40.49°N 89.37°W (Elev. 636 m)
Last Update:
5:41 pm CDT Jul 12, 2025
Forecast Valid:
9pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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