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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

74°F

23°C

Humidity 98%
Wind Speed SW 3 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 12 Jul 9:50 pm CDT
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 5 to 7 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Light and variable wind.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 68. Calm wind.
Monday
Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 70. Light south southeast wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
5:41 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 19, 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