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

34°F

1°C

Humidity 52%
Wind Speed W 13 mph
Barometer 30.03 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Jan 8:35 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: Sunny, with a high near 39. West wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. West wind 12 to 17 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 35. West wind 3 to 6 mph.

    High: 35 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 1. Wind chill values between -2 and -12. Light and variable wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 25 mph.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 7. North wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 7 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -3. North northeast wind around 10 mph, with gusts as high as 18 mph.

    Low: -3 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10. Northeast wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. West wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 19. West wind 12 to 17 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 35. West wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 1. Wind chill values between -2 and -12. Light and variable wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 25 mph.
Friday
Mostly cloudy and cold, with a high near 7. North wind 11 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -3. North northeast wind around 10 mph, with gusts as high as 18 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10. Northeast wind 7 to 9 mph, with gusts as high as 16 mph.
Saturday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Sunny, with a high near 20.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 32.
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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:
8:37 am CST Jan 21, 2026
Forecast Valid:
8am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation