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

88°F

31°C

Humidity 33%
Wind Speed Calm
Barometer 30.14 in (1020.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 2:54 pm CDT
Extended Forecast for

Eureka IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Southwest wind around 8 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind around 8 mph, with gusts as high as 17 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 6 to 9 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 63. South wind 3 to 6 mph.
Saturday
Sunny, with a high near 88. South wind 6 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 60. South wind around 8 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 86. South wind 8 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 61. South wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 87. Southwest wind 6 to 9 mph.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 60.
Tuesday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
Last Update:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 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