Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
39°F
4°C
| Humidity | 41% |
| Wind Speed | Calm |
| Barometer | 30.23 in (1024.8 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 9.00 mi |
| Last update | 7 Apr 10:55 pm CDT |
Extended Forecast for
Tomah WI
Tonight

Low: 32 °F
Rain/Snow
LikelyWednesday
High: 66 °F
Breezy.
Chance
Showers then
Showers
LikelyWednesday Night
Low: 32 °F
Showers then
Mostly ClearThursday

High: 54 °F
Increasing
CloudsThursday Night

Low: 32 °F
Chance
ShowersFriday

High: 55 °F
Mostly Sunny
Friday Night

Low: 30 °F
Mostly Clear
Saturday
High: 61 °F
Sunny then
Slight Chance
ShowersSaturday Night

Low: 47 °F
Showers
Likely
Detailed Forecast
Tonight
A chance of snow showers before 2am, then rain and snow showers likely between 2am and 3am, then rain showers likely after 3am. Mostly cloudy, with a low around 32. Light east wind becoming south 8 to 13 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 66. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 10pm. Low around 32. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 54. West wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 55. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 71. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. Partly cloudy, with a low around 41. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 56. North wind 9 to 13 mph, with gusts as high as 21 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tomah WI
43.99°N 90.51°W
43.99°N 90.51°W
11:46 pm CDT Apr 7, 2026
11pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026



