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

56°F

13°C

Humidity 68%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 2 Jun 5:15 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: Sunny, with a high near 82. East wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. East wind 3 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southeast wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. East wind 6 to 10 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 53. East wind 3 to 7 mph.
Wednesday
Sunny, with a high near 82. Southeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 86. South wind 5 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 62. South wind around 7 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
Showers likely. Partly sunny, with a high near 88.
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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:
4:35 am CDT Jun 2, 2026
Forecast Valid:
5am CDT Jun 2, 2026-6pm CDT Jun 8, 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