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.

Mostly Cloudy

69°F

21°C

Humidity 98%
Wind Speed SW 13 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jun 9:10 pm CDT
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Northwest wind 6 to 8 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 6 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Juneteenth
Mostly sunny, with a high near 83. Northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 73. South wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 92. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 75. South wind around 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.75°N 90.21°W (Elev. 564 ft)
Last Update:
7:40 pm CDT Jun 18, 2025
Forecast Valid:
9pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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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