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

46°F

8°C

Humidity 79%
Wind Speed SE 9 mph
Barometer 29.88 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Feb 7:35 am CST
Extended Forecast for

Winchester IL

  • Today

    Today: A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 63. South southeast wind 8 to 17 mph, with gusts as high as 34 mph.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 9pm and 3am. Cloudy during the early evening, then gradual clearing, with a low around 51. South southeast wind 14 to 18 mph becoming southwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 69. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. South southeast wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain before noon, then a chance of showers after noon. Mostly sunny, with a high near 69. South southeast wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 69 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. West wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 63. South southeast wind 8 to 17 mph, with gusts as high as 34 mph.
Tonight
A slight chance of showers between 9pm and 3am. Cloudy during the early evening, then gradual clearing, with a low around 51. South southeast wind 14 to 18 mph becoming southwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 69. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 44. South southeast wind around 6 mph.
Thursday
A chance of rain before noon, then a chance of showers after noon. Mostly sunny, with a high near 69. South southeast wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 45. West wind 10 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 25.
Saturday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 38.
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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:
6:36 am CST Feb 17, 2026
Forecast Valid:
7am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation