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

2°F

-17°C

Humidity 84%
Wind Speed Calm
Barometer 30.38 in
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 29 Jan 11:35 pm CST
Extended Forecast for

Winchester IL

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Wind chill values between -1 and -6. Light north wind.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 16. Wind chill values between -6 and 2. Light north northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 16 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values between -3 and -13. North northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 20. Wind chill values between -2 and -12. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0. Light and variable wind.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 27. South wind 3 to 7 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. South wind around 6 mph becoming west after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 2. Wind chill values between -1 and -6. Light north wind.
Friday
Partly sunny, with a high near 16. Wind chill values between -6 and 2. Light north northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values between -3 and -13. North northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 20. Wind chill values between -2 and -12. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 0. Light and variable wind.
Sunday
Partly sunny, with a high near 27. South wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 17. South wind around 6 mph becoming west after midnight.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly 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:
11:37 pm CST Jan 29, 2026
Forecast Valid:
11pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

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Chance of Precipitation