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 and Windy

22°F

-6°C

Humidity 95%
Wind Speed NW 29 G 37 mph
Barometer 29.71 in
Dewpoint 20°F (-7°C)
Visibility 1.75 mi
Wind Chill4°F (-16°C)
Last update 16 Mar 4:55 am CDT
Extended Forecast for

Winchester IL

Wind Advisory March 16, 05:05am until March 16, 10:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 05:05am until March 16, 10:00am

    NOW until 10:00am Mon

    Wind Advisory

  • Overnight

    Low: 24 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly before noon. Patchy blowing snow before 4pm. Cloudy, with a high near 26. Wind chill values between -2 and 8. Blustery, with a west northwest wind 22 to 26 mph, with gusts as high as 40 mph.

    High: 26 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values between -3 and 7. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 33. Wind chill values between -2 and 8. West northwest wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 33 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Cloudy, with a low around 27. South southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Overnight
A 20 percent chance of snow. Patchy blowing snow. Cloudy, with a steady temperature around 24. Blustery, with a west northwest wind around 28 mph, with gusts as high as 44 mph.
Monday
A 40 percent chance of snow, mainly before noon. Patchy blowing snow before 4pm. Cloudy, with a high near 26. Wind chill values between -2 and 8. Blustery, with a west northwest wind 22 to 26 mph, with gusts as high as 40 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values between -3 and 7. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 33. Wind chill values between -2 and 8. West northwest wind 5 to 8 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Snow likely, mainly before 1am. Cloudy, with a low around 27. South southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 59. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly 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:
3:17 am CDT Mar 16, 2026
Forecast Valid:
5am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation