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

16°F

-9°C

Humidity 64%
Wind Speed W 7 mph
Barometer 30.27 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 17 Mar 9:55 am CDT
Extended Forecast for

Winchester IL

  • Today

    Today: Increasing clouds, with a high near 32. West northwest wind around 8 mph becoming south southwest in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of snow before 4am, then a slight chance of freezing rain between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 27. South southeast wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Wednesday

    Wednesday: A 10 percent chance of snow before 7am. Partly sunny, then gradually becoming sunny, with a high near 59. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 17 mph.

    High: 59 °F

    Slight Chance
    Snow then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 7 mph becoming west in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 43. North wind around 5 mph becoming light and variable after midnight.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 32. West northwest wind around 8 mph becoming south southwest in the afternoon.
Tonight
A chance of snow before 4am, then a slight chance of freezing rain between 4am and 5am, then a slight chance of snow and freezing rain after 5am. Cloudy, with a low around 27. South southeast wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday
A 10 percent chance of snow before 7am. Partly sunny, then gradually becoming sunny, with a high near 59. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
Increasing clouds, with a low around 43. North wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 53.
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:
9:36 am CDT Mar 17, 2026
Forecast Valid:
10am CDT Mar 17, 2026-6pm CDT Mar 23, 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