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

20°F

-7°C

Humidity 68%
Wind Speed Calm
Barometer 30.18 in (1022.9 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 9 Feb 4:54 am CST
Extended Forecast for

Eureka IL

  • Today

    Today: Partly sunny, with a high near 45. East southeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Northwest wind around 8 mph, with gusts as high as 16 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. North northwest wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 28. North northwest wind around 5 mph becoming light and variable in the evening.

    Low: 28 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Cloudy, with a high near 42. East southeast wind 3 to 7 mph.

    High: 42 °F

    Cloudy then
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 45. East southeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 37. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 49. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 26. Northwest wind around 8 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 44. North northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
Increasing clouds, with a low around 28. North northwest wind around 5 mph becoming light and variable in the evening.
Thursday
A 30 percent chance of snow after noon. Cloudy, with a high near 42. East southeast wind 3 to 7 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29.
Sunday
A chance of rain. Mostly sunny, with a high near 43.
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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:
3:17 am CST Feb 9, 2026
Forecast Valid:
5am CST Feb 9, 2026-6pm CST Feb 15, 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