Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
85°F
29°C
| Humidity | 57% |
| Wind Speed | Calm |
| Barometer | 29.81 in (1009.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 12 Aug 5:55 pm CDT |
Extended Forecast for
Tomah WISimilar City Names
Tonight
Low: 64 °F
Patchy Smoke
Thursday
High: 81 °F
Chance
ShowersThursday Night
Low: 59 °F
Mostly Cloudy
Friday
High: 80 °F
Partly Sunny
Friday Night
Low: 61 °F
Chance
ShowersSaturday
High: 81 °F
Chance
ShowersSaturday Night
Low: 64 °F
Chance
T-storms then
Showers
LikelySunday
High: 80 °F
Slight Chance
T-stormsSunday Night
Low: 56 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy smoke. Partly cloudy, with a low around 64. Calm wind.
Thursday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Patchy smoke before 1pm. Mostly cloudy, with a high near 81. 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.
Thursday Night
Mostly cloudy, with a low around 59. Calm wind.
Friday
Partly sunny, with a high near 80. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 61. East wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. East wind around 6 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 56. Light northwest wind.
Monday
Sunny, with a high near 79. Light and variable wind.
Monday Night
Mostly clear, with a low around 57. Calm wind.
Tuesday
Partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Additional Forecasts and Information
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Point Forecast:
Tomah WISimilar City Names
43.99°N 90.51°W
43.99°N 90.51°W
5:51 pm CDT Aug 12, 2026
7pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
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