Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
82°F
28°C
| Humidity | 34% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1013.1 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 25 May 7:55 pm CDT |
Extended Forecast for
Sparta WI
Tonight
Low: 62 °F
Clear
Tuesday
High: 89 °F
Sunny then
Slight Chance
T-stormsTuesday Night
Low: 61 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 85 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 55 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 50 °F
Mostly Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 62. South wind around 5 mph, with gusts as high as 18 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. Southwest wind 3 to 5 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 55. Light northeast wind becoming east 5 to 9 mph in the evening.
Thursday
Sunny, with a high near 79. East wind around 6 mph.
Thursday Night
Mostly clear, with a low around 50. Calm wind.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. Light east wind.
Sunday
Sunny, with a high near 79. Light east wind.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Monday
Sunny, with a high near 82. Calm wind.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.95°N 90.81°W
43.95°N 90.81°W
6:16 pm CDT May 25, 2026
8pm CDT May 25, 2026-6pm CDT Jun 1, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
