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

66°F

19°C

Humidity 65%
Wind Speed S 9 mph
Barometer 29.91 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Apr 12:55 am CDT
Extended Forecast for

Jacksonville Municipal Airport IL

  • Overnight

    Overnight: Mostly clear, with a low around 59. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 85. South wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 44. South wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 44 °F

    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 58. West northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 62. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 62 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. North northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 69.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 59. South wind around 7 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 85. South wind 9 to 18 mph, with gusts as high as 30 mph.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 44. South wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 58. West northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 62. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. North northwest wind 5 to 8 mph becoming east southeast after midnight.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Municipal Airport IL
 39.77°N 90.24°W (Elev. 610 ft)
Last Update:
12:36 am CDT Apr 17, 2026
Forecast Valid:
1am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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