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.

Fair

82°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Aug 8:50 pm CDT
Extended Forecast for

Jacksonville Municipal Airport IL

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

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. Light and variable wind.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Light south southeast wind.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 103. South southwest wind 3 to 6 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind around 6 mph.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 105. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 74. Light south southeast wind.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 103. South southwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 74. Light south wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming west northwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Municipal Airport IL
 39.79°N 90.26°W (Elev. 600 ft)
Last Update:
7:25 pm CDT Aug 16, 2025
Forecast Valid:
9pm CDT Aug 16, 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