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

41°F

5°C

Humidity 51%
Wind Speed SE 12 G 17 mph
Barometer 30.33 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Mar 9:35 am CDT
Extended Forecast for

Jacksonville IL

  • Today

    Today: Partly sunny, with a high near 61. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. South southeast wind around 8 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. South wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 87. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 39. Northwest wind 13 to 18 mph becoming north northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 50. North northeast wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 61. South southeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
Mostly cloudy, with a low around 44. South southeast wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 77. South wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 60. South wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 87. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 39. Northwest wind 13 to 18 mph becoming north northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 50. North northeast wind 15 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
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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:
6:26 am CDT Mar 24, 2026
Forecast Valid:
10am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation