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

65°F

18°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.15 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Jun 11:55 pm CDT
Extended Forecast for

Winchester IL

  • Overnight

    Overnight: Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. South southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. Light northeast wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. East northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. South southwest wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Light and variable wind.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. Light northeast wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. East northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 94.
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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:
11:21 pm CDT Jun 23, 2026
Forecast Valid:
12am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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