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

52°F

11°C

Humidity 30%
Wind Speed SE 5 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 Mar 9:54 pm CDT
Extended Forecast for

Eureka IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South southeast wind around 7 mph, with gusts as high as 16 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 8 to 17 mph, with gusts as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 34. North northeast wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 48. North northeast wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 48 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. South southeast wind around 7 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 8 to 17 mph, with gusts as high as 23 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 34. North northeast wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 48. North northeast wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
Clear, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Mostly cloudy, with a high near 72.
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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:
9:35 pm CDT Mar 24, 2026
Forecast Valid:
10pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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