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

32°F

0°C

Humidity 85%
Wind Speed SW 10 mph
Barometer 29.74 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 6 Feb 3:55 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Increasing clouds, with a high near 43. Breezy, with a west southwest wind 13 to 20 mph becoming north northwest in the morning. Winds could gust as high as 31 mph.

    High: 43 °F

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 17. North wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. East southeast wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Calm wind becoming southwest around 6 mph in the morning.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Increasing clouds, with a high near 43. Breezy, with a west southwest wind 13 to 20 mph becoming north northwest in the morning. Winds could gust as high as 31 mph.
Tonight
Mostly clear, with a low around 17. North wind 5 to 11 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 34. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 24. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. South wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 28. East southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 57. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 60.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 42.
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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:
3:17 am CST Feb 6, 2026
Forecast Valid:
4am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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