Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
66°F
19°C
| Humidity | 79% |
| Wind Speed | SW 14 G 21 mph |
| Barometer | 29.64 in (1003.7 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 12 Apr 11:55 pm CDT |
Extended Forecast for
Sparta WI
Overnight

Low: 58 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
then T-storms
LikelyMonday Night

Low: 60 °F
T-storms
Tuesday
High: 77 °F
Mostly Sunny
then Chance
ShowersTuesday Night
Low: 51 °F
Chance
T-storms then
Chance
ShowersWednesday
High: 70 °F
Slight Chance
Showers then
Showers
LikelyWednesday Night

Low: 52 °F
Showers
LikelyThursday

High: 73 °F
Slight Chance
T-stormsThursday Night

Low: 52 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 58. West wind 7 to 10 mph, with gusts as high as 24 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms, mainly before 2am. Low around 60. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 77. West wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Light north wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 70. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. East wind around 6 mph becoming south after midnight. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73. West wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph becoming southeast after midnight.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Breezy, with a south wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 52. Northwest wind 8 to 11 mph.
Saturday Night
A chance of rain and snow showers. Partly cloudy, with a low around 30. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
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
11:36 pm CDT Apr 12, 2026
1am CDT Apr 13, 2026-6pm CDT Apr 19, 2026


