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

29°F

-2°C

Humidity 52%
Wind Speed NW 17 G 23 mph
Barometer 30.20 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 21 Jan 10:35 pm CST
Extended Forecast for

Jacksonville IL

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 35 °F

    Mostly Sunny

  • 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 25 mph.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 7. Wind chill values between -10 and -19. North wind 11 to 17 mph, with gusts as high as 24 mph.

    High: 7 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -1. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy, with a high near 11. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 11 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 6. Northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.

    Low: 6 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 16.

    High: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Mostly sunny, with a high near 35. West wind 6 to 11 mph, with gusts as high as 18 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 25 mph.
Friday
Mostly cloudy and cold, with a high near 7. Wind chill values between -10 and -19. North wind 11 to 17 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around -1. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 11. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Snow, mainly before midnight. Low around 6. Northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.
Sunday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 16.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Sunny, with a high near 14.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
10:31 pm CST Jan 21, 2026
Forecast Valid:
10pm CST Jan 21, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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