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

28°F

-2°C

Humidity 68%
Wind Speed S 8 mph
Barometer 30.38 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 11 Jan 11:55 pm CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Clear, with a low around 26. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 47. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 11 to 18 mph, with gusts as high as 33 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 26. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 47. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind 11 to 18 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 27.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 27.
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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:
10:57 pm CST Jan 11, 2026
Forecast Valid:
12am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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