National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

66°F

19°C

Humidity 95%
Wind Speed S 12 mph
Barometer 29.82 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 10 Mar 9:35 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. Southwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 10am, then a chance of showers. Temperature falling to around 45 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F⇓

    Showers then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 30. North northwest wind 5 to 14 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 54. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 54 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 44 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 58. West southwest wind 11 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 29 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 49. Southwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 10am, then a chance of showers. Temperature falling to around 45 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 30. North northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 54. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.
Friday
Mostly cloudy, with a high near 58. West southwest wind 11 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 30 percent chance of rain after 1am. Partly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 56. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 34.
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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:
9:36 am CDT Mar 10, 2026
Forecast Valid:
9am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation