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

31°F

-1°C

Humidity 70%
Wind Speed E 10 mph
Barometer 30.18 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 8 Feb 6:55 pm CST
Extended Forecast for

Winchester IL

  • 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. Calm wind becoming east around 5 mph after midnight.

    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

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

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. Calm wind becoming east around 5 mph after midnight.
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.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
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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:
6:36 pm CST Feb 8, 2026
Forecast Valid:
7pm CST Feb 8, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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