National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Overcast

84°F

29°C

Humidity 82%
Wind Speed SE 5 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 26 Jul 12:54 pm CDT
Extended Forecast for

Eureka IL

Heat Advisory July 26, 01:53pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 26, 01:53pm until July 27, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 75. Light and variable wind becoming south southwest around 6 mph in the evening.

    Low: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 91. Heat index values as high as 109. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. North wind around 11 mph, with gusts as high as 17 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Northeast wind 3 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North northeast wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 90. Heat index values as high as 106. West wind around 6 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 75. Light and variable wind becoming south southwest around 6 mph in the evening.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 91. Heat index values as high as 109. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 73. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 85. North wind around 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 62. Northeast wind 3 to 7 mph.
Wednesday
Sunny, with a high near 84. North northeast wind 3 to 7 mph.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
A chance of showers. Mostly cloudy, with a high near 83.
Friday Night
A chance of showers. Partly cloudy, with a low around 66.
Saturday
A chance of showers. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka IL
 40.71°N 89.27°W (Elev. 774 ft)
Last Update:
1:46 pm CDT Jul 26, 2026
Forecast Valid:
1pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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