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

39°F

4°C

Humidity 53%
Wind Speed E 16 mph
Barometer 30.12 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 8 Feb 2:55 pm CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. East southeast wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. East wind 3 to 7 mph. Winds could gust as high as 16 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. South southeast wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 17 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. North northwest wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. North northwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. North wind around 6 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after noon. Cloudy, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. East southeast wind 8 to 11 mph, with gusts as high as 17 mph.
Tonight
Partly cloudy, with a low around 26. East wind 3 to 7 mph. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 51. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 37. South southeast wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 54. North northwest wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 28. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 47. North wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of rain and snow after noon. Cloudy, with a high near 43. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 42.
Friday Night
A chance of rain. Partly cloudy, with a low around 28.
Saturday
A chance of rain. Partly sunny, with a high near 43.
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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:
3:16 pm CST Feb 8, 2026
Forecast Valid:
3pm CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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