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.

Partly Cloudy

38°F

3°C

Humidity 67%
Wind Speed SE 8 mph
Barometer 29.91 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Feb 9:15 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Mostly sunny, with a high near 54. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 33. South southwest wind 3 to 6 mph.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Southwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. North northeast wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Cloudy, with a high near 37. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 37 °F

    Cloudy then
    Chance Snow

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 70%.

    Low: 23 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 54. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Clear, with a low around 33. South southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 70. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 35. Southwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 56. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 24. North northeast wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday
A 50 percent chance of snow after noon. Cloudy, with a high near 37. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 70%.
Monday
Mostly cloudy, with a high near 36.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 21.
Tuesday
A chance of rain. Cloudy, with a high near 41.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 26.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
9:37 am CST Feb 26, 2026
Forecast Valid:
9am CST Feb 26, 2026-6pm CST Mar 4, 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