Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
36°F
2°C
| Humidity | 65% |
| Wind Speed | W 9 mph |
| Barometer | 29.78 in (1009.2 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 18 Apr 6:55 am CDT |
Extended Forecast for
Sparta WI
Today

High: 46 °F
Mostly Sunny
and BreezyTonight

Low: 29 °F
Partly Cloudy
Sunday
High: 49 °F
Chance
Sprinkles/Flurries
then SunnySunday Night

Low: 23 °F
Mostly Clear
then FrostMonday

High: 57 °F
Frost then
Mostly SunnyMonday Night

Low: 43 °F
Partly Cloudy
Tuesday

High: 72 °F
Sunny
Tuesday Night

Low: 40 °F
Clear
Wednesday

High: 74 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 46. Breezy, with a west wind 11 to 20 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 29. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Sunday
A chance of sprinkles and flurries before 10am, then a chance of sprinkles between 10am and 1pm. Widespread frost before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 5 to 13 mph.
Sunday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm in the evening.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. South wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 72. Light and variable wind becoming west around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 74. Southeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 55. Southeast wind around 8 mph, with gusts as high as 18 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 77. South wind 7 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 54. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67. South wind 8 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
5:56 am CDT Apr 18, 2026
7am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



