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

76°F

24°C

Humidity 48%
Wind Speed S 10 mph
Barometer 29.91 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Nov 1:35 pm CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 76. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. North northwest wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. North northwest wind 3 to 6 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of rain after noon. Mostly sunny, with a high near 56. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 57. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 76. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 37. North northwest wind 5 to 8 mph, with gusts as high as 16 mph.
Sunday
Sunny, with a high near 56. North northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 32. Calm wind.
Monday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 56. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
Rain likely. Mostly cloudy, with a high near 60.
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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:
1:31 pm CST Nov 14, 2025
Forecast Valid:
1pm CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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