National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

80°F

27°C

Humidity 51%
Wind Speed S 13 G 22 mph
Barometer 29.93 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Oct 10:35 am CDT
Extended Forecast for

Winchester IL

  • Columbus Day

    Columbus Day: Sunny, with a high near 93. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. West southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 69. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers. High near 80. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. East northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 77. East northeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Sunny, with a high near 93. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 71. Southwest wind around 8 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 94. West southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 69. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 80. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. East northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 77. East northeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
8:41 am CDT Oct 12, 2026
Forecast Valid:
10am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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