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.

Overcast

16°F

-9°C

Humidity 62%
Wind Speed NW 15 G 25 mph
Barometer 30.49 in (1033.8 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 22 Feb 7:54 pm CST
Extended Forecast for

Mackinaw IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Wind chill values between zero and 5. North northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29. Wind chill values between -2 and 8. North northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 17 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. South wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. West northwest wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely. Mostly cloudy, with a low around 26. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 13. Wind chill values between zero and 5. North northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 29. Wind chill values between -2 and 8. North northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 46. South wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 44. West northwest wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26. East wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mackinaw IL
 40.54°N 89.36°W (Elev. 650 ft)
Last Update:
7:16 pm CST Feb 22, 2026
Forecast Valid:
8pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation