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

20°F

-7°C

Humidity 62%
Wind Speed NW 5 mph
Barometer 30.27 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 28 Jan 8:15 pm CST
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Light north northeast wind.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Cloudy, with a high near 18. Wind chill values between -2 and 8. Northeast wind 3 to 6 mph.

    High: 18 °F

    Cloudy then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 2. North northeast wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17. Wind chill values between -6 and 4. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. North wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. West northwest wind 3 to 5 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 5. Light north northeast wind.
Thursday
A 20 percent chance of snow after noon. Cloudy, with a high near 18. Wind chill values between -2 and 8. Northeast wind 3 to 6 mph.
Thursday Night
A 20 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 2. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 17. Wind chill values between -6 and 4. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. North wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 18. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 1. West northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
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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:
7:06 pm CST Jan 28, 2026
Forecast Valid:
8pm CST Jan 28, 2026-6pm CST Feb 4, 2026
 
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