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

14°F

-10°C

Humidity 63%
Wind Speed N 10 mph
Barometer 30.52 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 31 Jan 12:35 am CST
Extended Forecast for

Winchester IL

  • Overnight

    Overnight: Partly cloudy, with a low around 3. Wind chill values between -4 and -10. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 20. Wind chill values between -2 and -12. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0. West northwest wind around 5 mph becoming calm in the evening.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 27. Wind chill values between -4 and 6. South wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. South wind around 6 mph becoming light and variable after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. West northwest wind around 6 mph becoming calm in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. Calm wind becoming east around 5 mph after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 3. Wind chill values between -4 and -10. Northwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 20. Wind chill values between -2 and -12. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 0. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 27. Wind chill values between -4 and 6. South wind 3 to 8 mph. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 18. South wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 35. West northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 22. Calm wind becoming east around 5 mph after midnight.
Tuesday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 39.
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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:
12:36 am CST Jan 31, 2026
Forecast Valid:
1am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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