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

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

80°F

27°C

Humidity 71%
Wind Speed SW 3 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 6 Jun 8:54 pm CDT
Extended Forecast for

Marquette Heights IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 84. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. South southeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Southwest wind 5 to 7 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. South wind around 6 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 71. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.
Monday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 84. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 68. South southeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 72. South wind around 6 mph, with gusts as high as 15 mph.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 69.
Friday
Sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 89.
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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:
5:51 pm CDT Jun 6, 2026
Forecast Valid:
9pm CDT Jun 6, 2026-6pm CDT Jun 13, 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