Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
35°F
2°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 29.91 in (1013.5 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 12:55 am CDT |
Extended Forecast for
Sparta WI
Overnight

Low: 37 °F
Clear
Thursday

High: 56 °F
Increasing
CloudsThursday Night
Low: 33 °F
Chance
Showers then
Slight Chance
ShowersFriday

High: 56 °F
Sunny
Friday Night

Low: 31 °F
Mostly Clear
Saturday
High: 59 °F
Mostly Sunny
then Chance
ShowersSaturday Night

Low: 48 °F
Showers
Sunday

High: 71 °F
Showers and
BreezySunday Night

Low: 60 °F
Showers
Likely
Detailed Forecast
Overnight
Clear, with a steady temperature around 37. West wind 3 to 5 mph.
Thursday
Increasing clouds, with a high near 56. West wind 3 to 6 mph.
Thursday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 31. Calm wind.
Saturday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 59. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 71. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 54. South wind 6 to 8 mph. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 69. Southwest wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 41. East wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 59. East wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 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
2:06 am CDT Apr 9, 2026
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026


