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

31°F

-1°C

Humidity 75%
Wind Speed W 5 mph
Barometer 30.18 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 2 Feb 10:15 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Partly sunny, with a high near 34. West northwest wind around 5 mph becoming calm in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 31. North northeast wind 5 to 7 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10. Light north wind.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Calm wind becoming northwest around 5 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 34. West northwest wind around 5 mph becoming calm in the afternoon.
Tonight
A 20 percent chance of snow after 3am. Cloudy, with a low around 22. Light and variable wind.
Tuesday
A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 31. North northeast wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 10. Light north wind.
Wednesday
Mostly sunny, with a high near 29. Calm wind becoming northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 14. Calm wind.
Thursday
Partly sunny, with a high near 38. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 40.
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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:
9:37 am CST Feb 2, 2026
Forecast Valid:
10am CST Feb 2, 2026-6pm CST Feb 8, 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