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.

Overcast

27°F

-3°C

Humidity 75%
Wind Speed W 12 mph
Barometer 30.46 in (1032.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 11 Jan 2:54 pm CST
Extended Forecast for

Eureka IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 32. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 44. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 44 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 37. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.

    High: 37 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Blustery.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 32. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 44. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 32. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 51. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 32. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 37. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 14. Blustery.
Thursday
Sunny, with a high near 28.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 24.
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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:
12:32 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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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