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.

Fair

12°F

-11°C

Humidity 85%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 4 Feb 5:15 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Partly sunny, with a high near 29. North wind 3 to 6 mph.

    High: 29 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 14. Light and variable wind.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Light southwest wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. South southwest wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. North northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. North northwest wind 5 to 9 mph becoming light north northeast after midnight. Winds could gust as high as 17 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 29. North wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 14. Light and variable wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Light southwest wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 28. South southwest wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 47. North northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 22. North northwest wind 5 to 9 mph becoming light north northeast after midnight. Winds could gust as high as 17 mph.
Saturday
Mostly sunny, with a high near 39. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 26.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 55.
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:
4:17 am CST Feb 4, 2026
Forecast Valid:
5am CST Feb 4, 2026-6pm CST Feb 10, 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