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.

Partly Cloudy

58°F

14°C

Humidity 99%
Wind Speed SW 8 mph
Barometer 29.80 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 7:55 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: A 20 percent chance of showers before 10am. Cloudy, with a temperature falling to around 48 by 5pm. Southwest wind 11 to 17 mph becoming west northwest in the morning. Winds could gust as high as 28 mph.

    High: 62 °F⇓

    Slight Chance
    Showers then
    Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 34. West northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 65. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 77. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after midnight. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.

    High: 57 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 10am. Cloudy, with a temperature falling to around 48 by 5pm. Southwest wind 11 to 17 mph becoming west northwest in the morning. Winds could gust as high as 28 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 34. West northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 65. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 76. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 56. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 77. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after midnight. Low around 46. Chance of precipitation is 90%.
Wednesday
Showers likely, mainly before noon. Cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 64.
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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:
7:57 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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