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

30°F

-1°C

Humidity 83%
Wind Speed SW 8 mph
Barometer 29.82 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 6 Feb 12:55 am CST
Extended Forecast for

Winchester IL

  • Overnight

    Overnight: Partly cloudy, with a low around 27. West southwest wind 6 to 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a west southwest wind 8 to 13 mph becoming north northwest 15 to 20 mph in the morning. Winds could gust as high as 32 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 33. North northeast wind around 6 mph becoming southeast in the afternoon.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 49. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. East southeast wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. West southwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 44. Breezy, with a west southwest wind 8 to 13 mph becoming north northwest 15 to 20 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 19. North northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 33. North northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 49. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 26. East southeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Cloudy, with a high near 51.
Wednesday Night
A chance of rain. Cloudy, with a low around 32.
Thursday
A chance of rain. Mostly cloudy, with a high near 45.
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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:
11:37 pm CST Feb 5, 2026
Forecast Valid:
1am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

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Chance of Precipitation