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.

Overcast

64°F

18°C

Humidity 81%
Wind Speed NE 8 mph
Barometer 30.02 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 11:15 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: Mostly cloudy, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming east around 5 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Light southeast wind.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Light southwest wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 60. Light southeast wind.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. South southwest wind 3 to 6 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 62. Light southwest wind.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
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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:
9:17 am CDT Jun 22, 2026
Forecast Valid:
11am CDT Jun 22, 2026-6pm CDT Jun 28, 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