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

53°F

12°C

Humidity 47%
Wind Speed NW 3 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 5 May 7:54 pm CDT
Extended Forecast for

Eureka IL

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. North northwest wind 3 to 6 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then becoming sunny, with a high near 62. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. West wind 5 to 7 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. North northwest wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 58. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Increasing clouds, with a low around 38. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Mostly cloudy through mid morning, then becoming sunny, with a high near 62. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 46. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 47. West wind 5 to 7 mph becoming light and variable. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 68.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
Last Update:
8:21 pm CDT May 5, 2026
Forecast Valid:
8pm CDT May 5, 2026-6pm CDT May 12, 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