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Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

63°F

17°C

Humidity 81%
Wind Speed Calm
Barometer 29.92 in (1012.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 1:54 am CDT
Extended Forecast for

Marquette Heights IL

  • Overnight

    Overnight: Partly cloudy, with a low around 64. South wind around 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 88. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 67. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers. High near 76. North northeast wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely after 1am. Mostly cloudy, with a low around 59. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. South wind around 7 mph.
Columbus Day
Mostly sunny, with a high near 88. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 72. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 67. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers. High near 76. North northeast wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely after 1am. Mostly cloudy, with a low around 59. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 59.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 66.
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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 CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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