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

35°F

2°C

Humidity 44%
Wind Speed SE 10 G 18 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Feb 4:54 pm CST
Extended Forecast for

Eureka IL

  • Tonight

    Tonight: Partly cloudy, with a low around 24. East southeast wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. North northwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. North northwest wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. North wind around 6 mph becoming east after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Cloudy, with a high near 40.

    High: 40 °F

    Cloudy then
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. East southeast wind 6 to 10 mph, with gusts as high as 17 mph.
Monday
Partly sunny, with a high near 44. South wind 6 to 10 mph, with gusts as high as 16 mph.
Monday Night
Partly cloudy, with a low around 34. South wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 50. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 26. North northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 44. North northwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 26. North wind around 6 mph becoming east after midnight.
Thursday
A 30 percent chance of snow after noon. Cloudy, with a high near 40.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A chance of rain. Partly sunny, with a high near 41.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 28.
Sunday
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:
3:36 pm CST Feb 8, 2026
Forecast Valid:
5pm CST Feb 8, 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