Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
28°F
-2°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.19 in (1023.7 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 4 Mar 7:55 am CST |
Extended Forecast for
Sparta WI
Today
High: 55 °F
Patchy Fog
then SunnyTonight

Low: 32 °F
Increasing
CloudsThursday
High: 49 °F
Chance
Showers then
Mostly CloudyThursday Night
Low: 39 °F
Mostly Cloudy
then Chance
ShowersFriday

High: 62 °F
Showers
Friday Night
Low: 34 °F
Showers then
Chance
ShowersSaturday
High: 49 °F
Slight Chance
Showers then
SunnySaturday Night

Low: 32 °F
Partly Cloudy
Sunday

High: 60 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, sunny, with a high near 55. Light south wind.
Tonight
Increasing clouds, with a low around 32. Calm wind.
Thursday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 62. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Southwest wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 60. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. Southwest wind around 8 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 67. Southwest wind 7 to 15 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 42. Southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 59. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust 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
8:37 am CST Mar 4, 2026
8am CST Mar 4, 2026-6pm CDT Mar 10, 2026


