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Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
42°F
6°C
| Humidity | 78% |
| Wind Speed | E 6 mph |
| Barometer | 29.85 in (1012.0 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 17 Feb 8:55 am CST |
Extended Forecast for
Sparta WI
Today
High: 53 °F
Mostly Cloudy
then Slight
Chance Rain
and BreezyTonight

Low: 41 °F
Rain Likely
and BreezyWednesday

High: 60 °F
Sunny and
BreezyWednesday Night
Low: 28 °F
Slight Chance
Rain/Snow
then Mostly
ClearThursday
High: 49 °F
Sunny then
Chance RainThursday Night

Low: 28 °F
Rain/Snow
LikelyFriday

High: 37 °F
Snow Likely
Friday Night
Low: 19 °F
Slight Chance
Snow then
Mostly CloudySaturday
High: 33 °F
Partly Sunny
then Slight
Chance Snow
Detailed Forecast
Today
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 53. Breezy, with an east wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Rain likely, mainly before 4am. Cloudy, then gradually becoming partly cloudy, with a low around 41. Breezy, with an east wind 13 to 21 mph becoming southwest after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 60. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly clear, with a low around 28. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 49. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 28. Northeast wind around 7 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 37. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. West wind 5 to 8 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 33. Northwest wind 5 to 7 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 5 mph.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 27. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 30. Calm wind becoming northwest around 5 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
8:31 am CST Feb 17, 2026
9am CST Feb 17, 2026-6pm CST Feb 23, 2026


