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

29°F

-2°C

Humidity 83%
Wind Speed SW 6 mph
Barometer 29.85 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 6 Feb 12:15 am CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 28. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42. Breezy, with a west southwest wind 9 to 14 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 32 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 32. North northeast wind around 6 mph becoming southeast in the afternoon.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 47. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. East southeast wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 42. Breezy, with a west southwest wind 9 to 14 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 32. North northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 23. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 47. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 26. East southeast wind 3 to 6 mph.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Mostly cloudy, with a high near 44.
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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:
11:37 pm CST Feb 5, 2026
Forecast Valid:
12am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Chance of Precipitation