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

62°F

17°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.94 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 12:15 am CDT
Extended Forecast for

Jacksonville Municipal Airport IL

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the morning.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 64. Light and variable wind becoming east southeast 5 to 7 mph in the evening.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 79. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. East southeast wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Juneteenth
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 62. Light and variable wind.
Saturday
Mostly sunny, with a high near 84. Light and variable wind.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 64. Light and variable wind becoming east southeast 5 to 7 mph in the evening.
Sunday
Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 79. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. East southeast wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Municipal Airport IL
 39.79°N 90.26°W (Elev. 600 ft)
Last Update:
12:01 am CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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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