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

45°F

7°C

Humidity 66%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Nov 8:55 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Mostly sunny, with a high near 64. Light south southeast wind becoming south 5 to 9 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74. South southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 5 to 7 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 64. Light south southeast wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 45. South wind 5 to 7 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 74. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 56. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 74. South southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 38. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 57. Northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 35.
Monday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 56.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 54.
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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:
8:37 am CST Nov 13, 2025
Forecast Valid:
9am CST Nov 13, 2025-6pm CST Nov 19, 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