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.

Mostly Cloudy

16°F

-9°C

Humidity 65%
Wind Speed NW 20 G 24 mph
Barometer 30.52 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 22 Feb 10:35 pm CST
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Wind chill values between -1 and 4. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 30. Wind chill values between -2 and 8. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 30 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 20 mph.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 49. West northwest wind around 7 mph becoming south southeast in the afternoon.

    High: 49 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 30. East southeast wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Rain Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 12. Wind chill values between -1 and 4. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 30. Wind chill values between -2 and 8. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Increasing clouds, with a low around 18. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 51. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Increasing clouds, with a high near 49. West northwest wind around 7 mph becoming south southeast in the afternoon.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 30. East southeast wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, 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:
9:36 pm CST Feb 22, 2026
Forecast Valid:
10pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation