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.

Overcast

29°F

-2°C

Humidity 69%
Wind Speed N 10 mph
Barometer 30.22 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 3 Feb 11:55 am CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 32. North wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. North wind around 5 mph becoming calm after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Calm wind becoming north northwest around 5 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. South southwest wind 7 to 9 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. North wind 6 to 9 mph.
Tonight
Mostly cloudy, with a low around 13. North wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 29. Calm wind becoming north northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 13. Calm wind.
Thursday
Partly sunny, with a high near 39. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 30. South southwest wind 7 to 9 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 47. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 41.
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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:
11:37 am CST Feb 3, 2026
Forecast Valid:
12pm CST Feb 3, 2026-6pm CST Feb 9, 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