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 and Breezy

45°F

7°C

Humidity 54%
Wind Speed S 22 G 28 mph
Barometer 29.71 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Mar 1:35 am CDT
Extended Forecast for

Winchester IL

Wind Advisory until March 13, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 13, 04:00pm

    NOW until 4:00pm Fri

    Wind Advisory

  • Overnight

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. Breezy, with a west northwest wind 17 to 22 mph, with gusts as high as 33 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming light and variable.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. East southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain. High near 68. Breezy, with a south wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow. Low around 18. Blustery, with a west southwest wind 20 to 26 mph becoming northwest in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 18 °F

    Blustery.
    Rain/Snow
    then Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery.

    High: 25 °F

    Chance Snow
    and Blustery

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Southwest wind around 18 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 17 to 22 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 34. West northwest wind 5 to 9 mph becoming light and variable.
Saturday
Partly sunny, with a high near 61. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 51. East southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain. High near 68. Breezy, with a south wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 10pm, then snow. Low around 18. Blustery, with a west southwest wind 20 to 26 mph becoming northwest in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 67.
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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:
1:26 am CDT Mar 13, 2026
Forecast Valid:
1am CDT Mar 13, 2026-6pm CDT Mar 19, 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