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

53°F

12°C

Humidity 65%
Wind Speed SE 9 mph
Barometer 29.59 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Mar 3:15 am CDT
Extended Forecast for

Winchester IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. South southeast wind around 15 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4pm. High near 66. Breezy, with a south southeast wind 18 to 25 mph becoming west southwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Breezy.
    Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain likely before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Patchy blowing snow after 10pm. Cloudy, with a low around 18. Blustery, with a west northwest wind 25 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Rain/Snow
    Likely and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 26. Wind chill values between -1 and 9. Blustery, with a west northwest wind 22 to 29 mph, with gusts as high as 44 mph.

    High: 26 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. Northwest wind around 7 mph becoming south southwest in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27. South wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. South southeast wind around 15 mph, with gusts as high as 26 mph.
Sunday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4pm. High near 66. Breezy, with a south southeast wind 18 to 25 mph becoming west southwest in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Patchy blowing snow after 10pm. Cloudy, with a low around 18. Blustery, with a west northwest wind 25 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
A 30 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 26. Wind chill values between -1 and 9. Blustery, with a west northwest wind 22 to 29 mph, with gusts as high as 44 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 34. Northwest wind around 7 mph becoming south southwest in the afternoon.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27. South wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester IL
 39.62°N 90.44°W (Elev. 499 ft)
Last Update:
3:01 am CDT Mar 15, 2026
Forecast Valid:
3am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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