Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Light Rain Fog/Mist
37°F
3°C
| Humidity | 95% |
| Wind Speed | Calm |
| Barometer | 29.59 in (1003.1 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 4.00 mi |
| Last update | 2 Apr 7:55 pm CDT |
Extended Forecast for
Tomah WI
Tonight
Low: 33 °F
Scattered
Showers then
Mostly CloudyFriday
High: 42 °F
Mostly Cloudy
then Chance
ShowersFriday Night

Low: 32 °F
Showers and
BreezySaturday

High: 44 °F
Chance
Showers and
BreezySaturday Night

Low: 28 °F
Mostly Cloudy
Sunday

High: 50 °F
Mostly Sunny
Sunday Night

Low: 30 °F
Mostly Cloudy
Monday

High: 46 °F
Slight Chance
Snow ShowersMonday Night

Low: 20 °F
Partly Cloudy
Detailed Forecast
Tonight
Scattered showers and thunderstorms before 10pm. Cloudy, with a steady temperature around 33. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
A chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 42. Light and variable wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers after 1am. Low around 32. Breezy, with an east wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 44. Breezy, with a south wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 28. West wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 50. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 30. West wind around 6 mph.
Monday
A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 46. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 46. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 59. Breezy, with a south wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39. Southwest wind around 10 mph, with gusts as high as 23 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. West wind 7 to 10 mph, with gusts as high as 18 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Tomah WI
43.99°N 90.51°W
43.99°N 90.51°W
8:16 pm CDT Apr 2, 2026
9pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026


