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

19°F

-7°C

Humidity 81%
Wind Speed SE 3 mph
Barometer 30.39 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 4 Feb 8:55 pm CST
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: Increasing clouds, with a low around 12. Wind chill values between 4 and 9. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 12 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 5 and 15. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. West southwest wind 11 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. North northwest wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 12. Wind chill values between 4 and 9. Calm wind becoming west southwest around 5 mph after midnight.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 39. Wind chill values between 5 and 15. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 47. West southwest wind 11 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 21. North northwest wind 5 to 11 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 36. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 25. South southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
8:38 pm CST Feb 4, 2026
Forecast Valid:
9pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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