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

38°F

3°C

Humidity 57%
Wind Speed NW 3 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 13 Mar 11:54 pm CDT
Extended Forecast for

Eureka IL

  • Overnight

    Overnight: A chance of flurries after 5am. Mostly cloudy, with a low around 30. North northeast wind around 6 mph.

    Low: 30 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of snow showers before 10am, then a chance of sprinkles and flurries between 10am and 11am. Mostly cloudy, with a high near 49. East southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 49 °F

    Chance
    Sprinkles/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 43. East southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely before 10am, then showers, mainly after 10am. High near 66. Breezy, with a south wind 18 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Breezy. Rain
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 10pm, then snow. Low around 20. Blustery, with a southwest wind 24 to 28 mph becoming west northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 20 °F

    Rain/Snow and
    Breezy then
    Snow and
    Blustery

  • Monday

    Monday: Snow likely before 1pm. Cloudy, with a high near 23. Blustery, with a west northwest wind 26 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    High: 23 °F

    Snow Likely
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 33 mph.

    Low: 8 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of flurries after 5am. Mostly cloudy, with a low around 30. North northeast wind around 6 mph.
Saturday
A chance of snow showers before 10am, then a chance of sprinkles and flurries between 10am and 11am. Mostly cloudy, with a high near 49. East southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43. East southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday
Rain likely before 10am, then showers, mainly after 10am. High near 66. Breezy, with a south wind 18 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers before 10pm, then snow. Low around 20. Blustery, with a southwest wind 24 to 28 mph becoming west northwest after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
Snow likely before 1pm. Cloudy, with a high near 23. Blustery, with a west northwest wind 26 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 8. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 33 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 59.
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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:
10:36 pm CDT Mar 13, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation