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.

Overcast

27°F

-3°C

Humidity 79%
Wind Speed NE 10 mph
Barometer 29.95 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 2 Jan 8:15 am CST
Extended Forecast for

Jacksonville Municipal Airport IL

  • Today

    Today: Mostly cloudy, with a high near 33. Northeast wind 3 to 7 mph.

    High: 33 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 22. Northeast wind around 7 mph.

    Low: 22 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Northeast wind around 5 mph becoming light and variable in the afternoon.

    High: 35 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 38. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 54. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 33. Northeast wind 3 to 7 mph.
Tonight
Cloudy, with a low around 22. Northeast wind around 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Northeast wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 21. Calm wind.
Sunday
Increasing clouds, with a high near 38. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 54. South wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Municipal Airport IL
 39.77°N 90.24°W (Elev. 610 ft)
Last Update:
3:16 am CST Jan 2, 2026
Forecast Valid:
8am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation