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

32°F

0°C

Humidity 55%
Wind Speed S 8 mph
Barometer 29.88 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 5 Dec 2:15 pm CST
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 32. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind 5 to 8 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32. Light and variable wind.

    High: 32 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely after 9pm, mixing with rain after 3am. Cloudy, with a low around 27. Southeast wind 3 to 7 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. South wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 33 °F⇓

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 17 mph.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 32. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. South wind 5 to 8 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly cloudy, with a high near 32. Light and variable wind.
Saturday Night
Snow likely after 9pm, mixing with rain after 3am. Cloudy, with a low around 27. Southeast wind 3 to 7 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. South wind 7 to 11 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 9. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly cloudy, 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:
1:42 pm CST Dec 5, 2025
Forecast Valid:
2pm CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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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