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.

Overcast

77°F

25°C

Humidity 74%
Wind Speed W 10 mph
Barometer 29.79 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jun 5:50 pm CDT
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 6 to 13 mph, with gusts as high as 26 mph.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Northwest wind around 7 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 6 to 13 mph, with gusts as high as 26 mph.
Juneteenth
Sunny, with a high near 83. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 73. South wind around 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 92. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 75. South wind around 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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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:
5:55 pm CDT Jun 18, 2025
Forecast Valid:
6pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation