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

32°F

0°C

Humidity 83%
Wind Speed SW 12 mph
Barometer 29.77 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 6 Feb 2:35 am CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Mostly clear, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 42. Breezy, with a west wind 14 to 20 mph becoming north northwest in the morning. Winds could gust as high as 32 mph.

    High: 42 °F

    Increasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 17. North wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 32. Northeast wind around 6 mph becoming light and variable.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 47. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. East southeast wind around 6 mph becoming light and variable after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Friday
Increasing clouds, with a high near 42. Breezy, with a west wind 14 to 20 mph becoming north northwest in the morning. Winds could gust as high as 32 mph.
Friday Night
Mostly clear, with a low around 17. North wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 32. Northeast wind around 6 mph becoming light and variable.
Saturday Night
Mostly cloudy, with a low around 24. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 47. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 29. East southeast wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 41.
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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:
1:47 am CST Feb 6, 2026
Forecast Valid:
2am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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Chance of Precipitation