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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ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
3:17 am CST Feb 9, 2026
5am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
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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