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

26°F

-3°C

Humidity 46%
Wind Speed NW 14 G 18 mph
Barometer 30.56 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 23 Feb 11:55 am CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 53. Breezy, with a south southeast wind 13 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 37 mph.

    High: 53 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 47. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 47 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 30. East wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Partly sunny, with a high near 44. East wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 30. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 18. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Increasing clouds, with a high near 53. Breezy, with a south southeast wind 13 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Increasing clouds, with a high near 47. Northwest wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 30. East wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and snow before noon. Partly sunny, with a high near 44. East wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Partly sunny, with a high near 46.
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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:
11:12 am CST Feb 23, 2026
Forecast Valid:
12pm CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation