Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
25°F
-4°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.25 in (1025.6 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 11:55 pm CDT |
Extended Forecast for
Sparta WI
Overnight

Low: 24 °F
Frost
Monday

High: 56 °F
Frost then
SunnyMonday Night

Low: 42 °F
Partly Cloudy
Tuesday

High: 74 °F
Sunny
Tuesday Night

Low: 41 °F
Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 58 °F
Partly Cloudy
Thursday
High: 76 °F
Partly Sunny
then Chance
Showers and
BreezyThursday Night

Low: 49 °F
Showers
Detailed Forecast
Overnight
Widespread frost after 3am. Otherwise, clear, with a low around 24. Calm wind.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 42. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming southeast 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 58. South wind around 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. South wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 63. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 60. Light northwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Areas of frost. Otherwise, mostly sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the morning.
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
11:26 pm CDT Apr 19, 2026
12am CDT Apr 20, 2026-6pm CDT Apr 26, 2026


