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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fog/Mist

45°F

7°C

Humidity 98%
Wind Speed Calm
Barometer 29.77 in (1008.8 mb)
Dewpoint 44°F (7°C)
Visibility 2.75 mi
Last update 25 Nov 4:55 am CST
Extended Forecast for

5 Miles NNW Wilton WI

Wind Advisory November 26, 03:00am until November 26, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain likely, mainly after 5pm. Areas of fog before 4pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 48. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Areas Fog
    then Rain
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 4am. Low around 26. Blustery, with a south wind 9 to 14 mph becoming northwest 18 to 23 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain then
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: Snow, mainly before noon. High near 30. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Blustery.
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 27. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 27 °F

    Partly Sunny
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. Northwest wind 3 to 6 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 16 °F

    Slight Chance
    Snow then
    Snow Likely

Detailed Forecast

Overnight
A 50 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly after 5pm. Areas of fog before 4pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 48. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain and snow, becoming all snow after 4am. Low around 26. Blustery, with a south wind 9 to 14 mph becoming northwest 18 to 23 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Snow, mainly before noon. High near 30. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph.
Thanksgiving Day
Partly sunny, with a high near 27. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 13. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 26. Northwest wind 3 to 6 mph.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 27. East wind around 6 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14. Northeast wind around 6 mph becoming north after midnight.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 28. West wind around 7 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11. West wind around 7 mph.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 21. Northwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Wilton WI
 43.88°N 90.55°W
Last Update:
5:31 am CST Nov 25, 2025
Forecast Valid:
5am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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