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Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

53°F

12°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 5:54 am CDT
Extended Forecast for

Eureka IL

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 3 to 8 mph. Winds could gust as high as 15 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 89. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Partly cloudy, with a low around 62. Light and variable wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 63. South wind 3 to 8 mph. Winds could gust as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 89. Southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 70. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 85. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely after 1am. Partly cloudy, with a low around 62. Light and variable wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 63. Breezy.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
Last Update:
6:36 am CDT Oct 11, 2026
Forecast Valid:
6am CDT Oct 11, 2026-6pm CDT Oct 17, 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