Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
57°F
14°C
| Humidity | 44% |
| Wind Speed | S 16 G 23 mph |
| Barometer | 29.90 in (1013.2 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 8 Apr 10:55 am CDT |
Extended Forecast for
Sparta WI
This Afternoon

High: 68 °F
Chance
Showers and
BreezyTonight
Low: 34 °F
Showers
Likely then
Mostly ClearThursday

High: 54 °F
Increasing
CloudsThursday Night

Low: 34 °F
Chance
ShowersFriday

High: 56 °F
Mostly Sunny
Friday Night

Low: 30 °F
Clear
Saturday
High: 61 °F
Mostly Sunny
then Slight
Chance
ShowersSaturday Night

Low: 48 °F
Showers
Sunday

High: 73 °F
Showers
Likely and
Breezy
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 68. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 39 mph.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 6 to 11 mph becoming light southwest. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 54. West wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 34. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph.
Friday Night
Clear, with a low around 30. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 54. Northwest wind 8 to 11 mph, with gusts as high as 20 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
12:21 pm CDT Apr 8, 2026
12pm CDT Apr 8, 2026-6pm CDT Apr 14, 2026


