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

24°F

-4°C

Humidity 99%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 24°F (-4°C)
Visibility 1.25 mi
Last update 1 Dec 4:35 pm CST
Extended Forecast for

Winchester IL

Winter Weather Advisory until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 2, 06:00am

    NOW until 6:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 26 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 10pm. Low around 13. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow then
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 23. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 23 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. South wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. South wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 3. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 15. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 26. Calm wind. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 10pm. Low around 13. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Mostly cloudy, with a high near 23. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 18. South wind 5 to 7 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 35. South wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 3. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 15. North northwest wind around 6 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 0.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
4:46 pm CST Dec 1, 2025
Forecast Valid:
4pm CST Dec 1, 2025-6pm CST Dec 8, 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