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.

Overcast and Windy

26°F

-3°C

Humidity 73%
Wind Speed W 33 G 40 mph
Barometer 30.13 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 30 Nov 2:55 am CST
Extended Forecast for

South Jacksonville IL

  • Overnight

    Overnight: Cloudy, with a low around 19. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.

    Low: 19 °F

    Cloudy and
    Breezy

  • Sunday

    Sunday: Cloudy, with a high near 23. Wind chill values between 4 and 12. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 23 °F

    Cloudy and
    Breezy then
    Cloudy

  • Sunday Night

    Sunday Night: Cloudy, with a low around 15. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 15 °F

    Cloudy

  • Monday

    Monday: Snow after noon. High near 28. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Cloudy then
    Snow

  • Monday Night

    Monday Night: Snow before midnight. Low around 14. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Light and variable wind becoming west around 5 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. South wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 19. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.
Sunday
Cloudy, with a high near 23. Wind chill values between 4 and 12. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Cloudy, with a low around 15. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Snow after noon. High near 28. Calm wind. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow before midnight. Low around 14. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 27. Light and variable wind becoming west around 5 mph.
Tuesday Night
Partly cloudy, with a low around 15. South wind 3 to 8 mph. Winds could gust as high as 16 mph.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 15.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
A chance of snow. Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Jacksonville IL
 39.7°N 90.24°W (Elev. 650 ft)
Last Update:
3:16 am CST Nov 30, 2025
Forecast Valid:
3am CST Nov 30, 2025-6pm CST Dec 6, 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