National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

16°F

-9°C

Humidity 58%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 4 Dec 12:55 pm CST
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 18. Light north northeast wind.

    High: 18 °F

    Sunny

  • Tonight

    Tonight: Patchy freezing fog between 9pm and 3am. Mostly clear, with a low around 1. Wind chill values between -4 and -9. Light and variable wind becoming south around 6 mph after midnight.

    Low: 1 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Sunny, with a high near 33. Wind chill values between -1 and 9. South wind 6 to 8 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. South wind around 6 mph becoming west after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after midnight. Cloudy, with a low around 21. East northeast wind 5 to 7 mph.

    Low: 21 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 27. North northeast wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 27 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 18. Light north northeast wind.
Tonight
Patchy freezing fog between 9pm and 3am. Mostly clear, with a low around 1. Wind chill values between -4 and -9. Light and variable wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 33. Wind chill values between -1 and 9. South wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 23. South wind around 6 mph becoming west after midnight.
Saturday
Mostly cloudy, with a high near 32. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of snow after midnight. Cloudy, with a low around 21. East northeast wind 5 to 7 mph.
Sunday
Mostly cloudy, with a high near 27. North northeast wind 7 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39.
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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:
12:06 pm CST Dec 4, 2025
Forecast Valid:
1pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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