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

19°F

-7°C

Humidity 92%
Wind Speed W 6 mph
Barometer 30.08 in (1019.7 mb)
Dewpoint 17°F (-8°C)
Visibility 7.00 mi
Wind Chill11°F (-12°C)
Last update 2 Dec 8:54 am CST
Extended Forecast for

Marquette Heights IL

  • Today

    Today: Mostly cloudy, with a high near 24. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 24 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. South wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values between -6 and -11. North northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 14. North northwest wind around 6 mph becoming calm in the morning.

    High: 14 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. Calm wind becoming south around 6 mph after midnight.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 27. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 24. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Tonight
Mostly cloudy, with a low around 18. South wind 7 to 11 mph, with gusts as high as 23 mph.
Wednesday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. South southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values between -6 and -11. North northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 14. North northwest wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 0. Calm wind becoming south around 6 mph after midnight.
Friday
Mostly sunny, with a high near 27. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 29.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Sunday
Mostly cloudy, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marquette Heights IL
 40.61°N 89.59°W (Elev. 614 ft)
Last Update:
3:44 am CST Dec 2, 2025
Forecast Valid:
9am CST Dec 2, 2025-6pm CST Dec 8, 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