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

74°F

23°C

Humidity 28%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Mar 5:35 pm CDT
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. North wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. South wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind becoming south southwest around 5 mph after midnight.
Friday
Sunny, with a high near 79. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Partly cloudy, with a low around 46. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 80. South wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 37. North wind 11 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
4:36 pm CDT Mar 19, 2026
Forecast Valid:
5pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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