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.

Mostly Cloudy

87°F

31°C

Humidity 56%
Wind Speed W 3 mph
Barometer 30.01 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 3 Jul 6:10 pm CDT
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.

    Low: 71 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 92. South wind 3 to 8 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. South wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90. South southwest wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind around 6 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West southwest wind 6 to 8 mph.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70. West northwest wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Independence Day
Sunny, with a high near 92. South wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 72. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 90. South southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South southwest wind around 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West southwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 70. West northwest wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
6:11 pm CDT Jul 3, 2025
Forecast Valid:
6pm CDT Jul 3, 2025-6pm CDT Jul 10, 2025
 
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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