Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
51°F
11°C
| Humidity | 67% |
| Wind Speed | Calm |
| Barometer | 29.97 in (1015.9 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 9.00 mi |
| Last update | 5 Mar 2:55 pm CST |
Extended Forecast for
Sparta WI
Tonight

Low: 39 °F
Mostly Cloudy
Friday

High: 62 °F
Showers
Friday Night

Low: 38 °F
Showers
Saturday
High: 42 °F
Slight Chance
Showers then
Mostly SunnySaturday Night

Low: 30 °F
Mostly Clear
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Clear
Monday

High: 64 °F
Mostly Sunny
Monday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph.
Friday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. High near 62. South wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 38. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 42. West wind 5 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 30. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 45. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 38. Northwest wind 5 to 7 mph becoming southeast after midnight.
Tuesday
A 40 percent chance of showers, mainly after noon. Mostly sunny, with a high near 62. Southeast wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 46. Northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 23. Northwest wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 47. South wind 5 to 11 mph, with gusts as high as 21 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
1:52 pm CST Mar 5, 2026
3pm CST Mar 5, 2026-6pm CDT Mar 12, 2026


