Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
54°F
12°C
| Humidity | 61% |
| Wind Speed | SE 7 mph |
| Barometer | 30.12 in (1021.1 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 11 Apr 5:55 pm CDT |
Extended Forecast for
Sparta WI
Tonight

Low: 47 °F⇑
Showers
LikelySunday
High: 73 °F
Showers
Likely then
Chance
Showers and
BreezySunday Night
Low: 58 °F
Chance
T-storms then
Chance
ShowersMonday
High: 78 °F
Partly Sunny
then Chance
ShowersMonday Night

Low: 58 °F
Showers
LikelyTuesday
High: 79 °F
Mostly Sunny
then Showers
LikelyTuesday Night

Low: 53 °F
Showers
Wednesday

High: 73 °F
Chance
ShowersWednesday Night

Low: 49 °F
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a temperature falling to near 47 by 9pm, then rising to around 53 during the remainder of the night. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 73. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 58. Southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 53. Northeast wind around 7 mph becoming south after midnight. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 73. West wind 7 to 9 mph.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 49. West wind around 5 mph becoming light and variable in the evening.
Thursday
A 20 percent chance of showers. Sunny, with a high near 77. South wind 3 to 8 mph.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 54. South wind around 6 mph.
Friday
Showers likely. Partly sunny, with a high near 73. South wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 38. South wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 54. Northwest wind 9 to 13 mph, with gusts as high as 21 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
6:36 pm CDT Apr 11, 2026
7pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026



