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

35°F

2°C

Humidity 48%
Wind Speed W 14 mph
Barometer 30.05 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Jan 9:55 am CST
Extended Forecast for

Jacksonville IL

  • Today

    Today: Sunny, with a high near 38. West wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. West wind 13 to 18 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 34. West wind 5 to 7 mph.

    High: 34 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. Wind chill values between -4 and -14. Light and variable wind becoming north 12 to 17 mph in the evening. Winds could gust as high as 26 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 6. North wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 6 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -3. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10. Northeast wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 38. West wind 13 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 19. West wind 13 to 18 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 34. West wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 0. Wind chill values between -4 and -14. Light and variable wind becoming north 12 to 17 mph in the evening. Winds could gust as high as 26 mph.
Friday
Mostly cloudy and cold, with a high near 6. North wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around -3. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10. Northeast wind 7 to 10 mph, with gusts as high as 17 mph.
Saturday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
9:36 am CST Jan 21, 2026
Forecast Valid:
10am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Chance of Precipitation