Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
69°F
21°C
| Humidity | 85% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1016.0 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 8 Sep 12:55 pm CDT |
Extended Forecast for
Tomah WISimilar City Names
This Afternoon
High: 79 °F
Chance
ShowersTonight
Low: 66 °F
Chance
T-storms then
Showers
Likely and
Patchy FogWednesday
High: 81 °F
Patchy Fog
then SunnyWednesday Night
Low: 51 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 51 °F
Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 60 °F
Showers
LikelySaturday
High: 76 °F
Slight Chance
Showers
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 79. South wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. West wind 7 to 11 mph, with gusts 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 81. South wind 5 to 13 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
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Tomah WISimilar City Names
43.99°N 90.51°W
43.99°N 90.51°W
12:36 pm CDT Sep 8, 2026
1pm CDT Sep 8, 2026-6pm CDT Sep 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
