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

59°F

15°C

Humidity 50%
Wind Speed S 12 mph
Barometer 30.02 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 30 Mar 12:15 am CDT
Extended Forecast for

Winchester IL

  • Overnight

    Overnight: Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 83. South southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 48. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 58. East northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 44. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: Showers. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday
A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 83. South southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 48. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 58. East northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers. Low around 44. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Showers. High near 61. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
Showers likely. Mostly cloudy, with a high near 69.
Saturday Night
Showers likely. Mostly cloudy, with a low around 43.
Sunday
A chance of showers. Partly sunny, with a high near 59.
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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:
5:52 pm CDT Mar 29, 2026
Forecast Valid:
12am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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