Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
22°F
-6°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.36 in (1029.2 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 3:55 am CDT |
Extended Forecast for
Sparta WI
Today
High: 56 °F
Mostly Sunny
then Showers
LikelyTonight

Low: 46 °F
Showers
Sunday

High: 76 °F
Showers
Likely and
BreezySunday Night

Low: 57 °F
Chance
ShowersMonday
High: 79 °F
Mostly Sunny
then Chance
ShowersMonday Night

Low: 59 °F
Showers
Tuesday
High: 81 °F
Chance
Showers then
Showers
LikelyTuesday Night

Low: 55 °F
Showers
LikelyWednesday

High: 74 °F
Chance
Showers
Detailed Forecast
Today
Showers likely, mainly after 5pm. Increasing clouds, with a high near 56. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 46. Southeast wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 57. Southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New precipitation 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. Mostly sunny, with a high near 79. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
Showers and possibly a thunderstorm. Low around 59. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind 3 to 8 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. Southwest wind around 7 mph. Chance of precipitation is 70%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. West wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 51. South wind around 5 mph.
Thursday
A 30 percent chance of showers. Sunny, with a high near 77. South wind 5 to 9 mph.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 53. South wind around 6 mph.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 72. South wind 6 to 11 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
2:51 am CDT Apr 11, 2026
4am CDT Apr 11, 2026-6pm CDT Apr 17, 2026



