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

66°F

19°C

Humidity 18%
Wind Speed W 13 G 20 mph
Barometer 29.64 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 18 Feb 1:55 pm CST
Extended Forecast for

Winchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and thunderstorms before 3pm, then a slight chance of rain. Partly sunny, with a high near 69. Southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. West wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 44. Light and variable wind becoming southeast around 5 mph after midnight.
Thursday
A chance of rain and thunderstorms before 3pm, then a slight chance of rain. Partly sunny, with a high near 69. Southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 34. Southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 46. West wind 8 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 41. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 48.
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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:
1:21 pm CST Feb 18, 2026
Forecast Valid:
2pm CST Feb 18, 2026-6pm CST Feb 24, 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