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Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

82°F

28°C

Humidity 39%
Wind Speed SE 9 mph
Barometer 30.04 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Oct 1:55 pm CDT
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 84. Southeast wind around 9 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 52 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 65. South wind 3 to 7 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 92. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly clear, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 84. Southeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 86. Calm wind.
Sunday Night
Increasing clouds, with a low around 65. South wind 3 to 7 mph.
Columbus Day
Sunny, with a high near 92. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 71. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 90. West wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly clear, with a low around 65. Chance of precipitation is 60%.
Wednesday
Showers. High near 79. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 74.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 68.
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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:
1:36 pm CDT Oct 10, 2026
Forecast Valid:
2pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
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