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

34°F

1°C

Humidity 99%
Wind Speed SW 8 mph
Barometer 30.02 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Wind Chill27°F (-3°C)
Last update 8 Mar 5:15 am CDT
Extended Forecast for

Jacksonville IL

  • Today

    Today: Sunny, with a high near 65. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. South southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 80. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 47. South southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 47 °F

    T-storms

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 61. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 44. South southwest wind around 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 74. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 57. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 80. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 47. South southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers, mainly before 1pm. High near 61. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 43. Breezy.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
5:06 am CDT Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation