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

56°F

13°C

Humidity 36%
Wind Speed W 8 G 18 mph
Barometer 30.27 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 5 Apr 4:35 pm CDT
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 6 to 8 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 56. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 33. North northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. East wind around 9 mph, with gusts as high as 16 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 39. Northwest wind 6 to 8 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 56. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
A slight chance of rain and snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 33. North northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 47. East wind around 9 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 38. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 75.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly cloudy, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
4:36 pm CDT Apr 5, 2026
Forecast Valid:
4pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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