National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

49°F

9°C

Humidity 66%
Wind Speed W 6 mph
Barometer 30.09 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 9 Jan 1:55 pm CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. North wind 3 to 6 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain likely, mainly after 3am. Mostly cloudy, with a low around 35. Calm wind becoming northwest 5 to 8 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of snow between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 43. West northwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. West northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Light west wind becoming south southwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. North wind 3 to 6 mph.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 35. Calm wind becoming northwest 5 to 8 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and snow before 8am, then a chance of snow between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 43. West northwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 22. West northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 35. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 24. Light west wind becoming south southwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 47. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, 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:
1:17 pm CST Jan 9, 2026
Forecast Valid:
2pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation