National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Winds Through Midday, Major Winter Storm This Weekend

Strong winds will gradually decrease through midday. A major winter storm is expected Saturday night through Monday morning which could bring heavy snow, freezing rain, and blizzard conditions. Monitor the forecast for the latest updates and make appropriate preparations! Read More >

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast and Windy

35°F

2°C

Humidity 68%
Wind Speed NW 29 G 40 mph
Barometer 29.52 in (1000.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 13 Mar 9:55 am CDT
Extended Forecast for

2 Miles NW Sparta / Fort McCoy Airport WI

Winter Storm Watch March 14, 07:00pm until March 16, 01:00pm
Wind Advisory March 13, 10:38am until March 13, 01:00pm
Click here for hazard details and duration
Winter Storm Watch
Wind Advisory
  •  
    Wind Advisory March 13, 10:38am until March 13, 01:00pm

    NOW until 1:00pm Fri

    Wind Advisory

  • Today

    High: 40 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow before 4am, then snow, possibly mixed with sleet. Some thunder is also possible. Low around 27. East wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow then
    Snow/Sleet

  • Sunday

    Sunday: Snow, possibly mixed with sleet, becoming all snow after 10am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing snow before 1pm, then areas of blowing snow after 2pm. High near 36. Breezy, with a northeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 6 to 10 inches possible.

    High: 36 °F

    Snow/Sleet
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Patchy blowing snow between 9pm and 1am. Low around 12. Blustery, with a north wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 12 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 33 mph.

    High: 20 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around -4. Northwest wind 6 to 15 mph, with gusts as high as 26 mph.

    Low: -4 °F

    Mostly Clear

Detailed Forecast

Today
Mostly cloudy, with a high near 40. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 50 mph.
Tonight
Mostly cloudy, with a low around 23. Northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Saturday
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Snow before 4am, then snow, possibly mixed with sleet. Some thunder is also possible. Low around 27. East wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Sunday
Snow, possibly mixed with sleet, becoming all snow after 10am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing snow before 1pm, then areas of blowing snow after 2pm. High near 36. Breezy, with a northeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 6 to 10 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Patchy blowing snow between 9pm and 1am. Low around 12. Blustery, with a north wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Monday
A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 20. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around -4. Northwest wind 6 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 25. West wind around 6 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. South wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 41. Light and variable wind becoming southwest around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 25. Light south wind.
Thursday
Mostly sunny, with a high near 49. South wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Sparta / Fort McCoy Airport WI
 43.97°N 90.78°W
Last Update:
10:16 am CDT Mar 13, 2026
Forecast Valid:
10am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation