Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

91°F

33°C

Humidity 61%
Wind Speed SW 15 mph
Barometer 29.99 in (1014.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 3 Jul 2:54 pm CDT
Extended Forecast for

Eureka IL

Heat Advisory July 4, 11:00am until July 4, 07:00pm
Extreme Heat Warning July 3, 03:01pm until July 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 03:01pm until July 3, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after midnight.  Partly cloudy, with a low around 71. South southwest wind 5 to 7 mph.

    Low: 71 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming light and variable.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85. West northwest wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North northwest wind 3 to 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. North wind 5 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 101. Southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 71. South southwest wind 5 to 7 mph.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming light and variable.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. West northwest wind 3 to 8 mph. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 65. North northwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 82. North wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
2:01 pm CDT Jul 3, 2026
3pm CDT Jul 3, 2026-6pm CDT Jul 9, 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