Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
A Few Clouds
67°F
19°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1017.0 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 8 Sep 10:55 am CDT |
Extended Forecast for
Tomah WISimilar City Names
Today

High: 79 °F
Showers
LikelyTonight

Low: 66 °F
Showers
LikelyWednesday

High: 80 °F
Becoming
SunnyWednesday Night

Low: 51 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night

Low: 51 °F
Clear
Friday

High: 80 °F
Sunny
Friday Night

Low: 60 °F
Showers
LikelySaturday

High: 76 °F
Slight Chance
Showers
Detailed Forecast
Today
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms, mainly between noon and 2pm. Mostly cloudy, with a high near 79. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 51. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77. Calm wind becoming northwest around 5 mph.
Thursday Night
Clear, with a low around 51. Calm wind.
Friday
Sunny, with a high near 80. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 60. South wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 76. Northwest wind around 8 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 50. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Calm wind becoming northeast 5 to 8 mph in the morning.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East wind 3 to 6 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. East wind 7 to 11 mph, with gusts as high as 22 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tomah WISimilar City Names
43.99°N 90.51°W
43.99°N 90.51°W
8:47 am CDT Sep 8, 2026
11am CDT Sep 8, 2026-6pm CDT Sep 14, 2026



