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

64°F

18°C

Humidity 56%
Wind Speed S 13 G 18 mph
Barometer 29.95 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Mar 8:55 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: Sunny, with a high near 83. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 34 mph.

    High: 82 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 50. West wind around 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 64. East northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, with thunderstorms also possible after 10pm. Low around 53. East wind around 11 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain. High near 71. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 83. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 63. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 34 mph.
Tuesday Night
Rain and possibly a thunderstorm. Low around 50. West wind around 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 64. East northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, with thunderstorms also possible after 10pm. Low around 53. East wind around 11 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 71. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 75.
Friday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 66.
Saturday Night
A chance of rain. Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 56.
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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:
7:41 am CDT Mar 30, 2026
Forecast Valid:
9am 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