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

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Partly Cloudy

74°F

23°C

Humidity 98%
Wind Speed NE 5 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 6:30 am CDT
Extended Forecast for

4 Miles E Concord IL

Heat Advisory August 17, 06:55am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 06:55am until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Light southeast wind.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 103. South wind 3 to 6 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. Light south southeast wind.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. North wind 3 to 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind.
Tonight
Partly cloudy, with a low around 74. Light southeast wind.
Monday
Sunny, with a high near 94. Heat index values as high as 103. South wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 73. Light south southeast wind.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 83. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Concord IL
 39.82°N 90.29°W (Elev. 499 ft)
Last Update:
6:40 am CDT Aug 17, 2025
Forecast Valid:
6am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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