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

18°F

-8°C

Humidity 71%
Wind Speed S 7 mph
Barometer 30.19 in (1023.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 24 Feb 1:54 am CST
Extended Forecast for

Marquette Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Light south wind increasing to 5 to 9 mph. Winds could gust as high as 18 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 48. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph.

    High: 48 °F

    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 26. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 42. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 26. North northwest wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Northeast wind around 7 mph becoming west northwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Light and variable wind becoming south around 6 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Light south wind increasing to 5 to 9 mph. Winds could gust as high as 18 mph.
Tuesday
Cloudy, with a high near 48. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 26. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 42. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 26. North northwest wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 44. Northeast wind around 7 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Light and variable wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24.
Monday
A chance of rain and snow. Partly sunny, with a high near 39.
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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:
1:26 am CST Feb 24, 2026
Forecast Valid:
1am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation