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

87°F

31°C

Humidity 72%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 17 Aug 5:50 pm CDT
Extended Forecast for

Concord IL

Heat Advisory August 17, 06:15pm until August 17, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 17, 06:15pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Light south wind.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Light south wind.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 89. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 70. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 64. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Concord IL
 39.82°N 90.38°W (Elev. 614 ft)
Last Update:
6:10 pm CDT Aug 17, 2025
Forecast Valid:
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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