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

22°F

-6°C

Humidity 85%
Wind Speed S 12 mph
Barometer 30.05 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Dec 11:55 pm CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 17 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Isolated snow showers after 3pm. Mostly cloudy, with a high near 34. South southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    High: 34 °F

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Wednesday Night

    Wednesday Night: Scattered snow showers before midnight. Mostly cloudy, with a low around 5. Wind chill values between -3 and 2. North northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 5 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 15. Wind chill values between -4 and 6. North wind around 6 mph becoming calm in the morning.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 2. Calm wind becoming south around 6 mph after midnight.

    Low: 2 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 31. South southwest wind around 6 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. South southwest wind around 6 mph becoming light and variable after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. South wind around 10 mph, with gusts as high as 17 mph.
Wednesday
Isolated snow showers after 3pm. Mostly cloudy, with a high near 34. South southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered snow showers before midnight. Mostly cloudy, with a low around 5. Wind chill values between -3 and 2. North northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 15. Wind chill values between -4 and 6. North wind around 6 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 2. Calm wind becoming south around 6 mph after midnight.
Friday
Mostly sunny, with a high near 31. South southwest wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 17. South southwest wind around 6 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 30.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 35.
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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:
11:36 pm CST Dec 2, 2025
Forecast Valid:
12am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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