Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Mostly Cloudy
16°F
-9°C
| Humidity | 67% |
| Wind Speed | W 9 mph |
| Barometer | 29.98 in (1017.1 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 5°F (-15°C) |
| Last update | 16 Mar 9:55 pm CDT |
Extended Forecast for
Tomah WI
Tonight

Low: -3 °F
Mostly Cloudy
Tuesday

High: 22 °F
Increasing
CloudsTuesday Night

Low: 14 °F
Snow
Wednesday
High: 43 °F
Chance Snow
then Partly
SunnyWednesday Night
Low: 30 °F
Mostly Cloudy
then Slight
Chance RainThursday

High: 47 °F
Mostly Sunny
Thursday Night

Low: 31 °F
Mostly Cloudy
Friday

High: 52 °F
Partly Sunny
Friday Night

Low: 30 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around -3. Wind chill values as low as -12. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -15. West wind around 6 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 4am. Low around 14. South wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
A 30 percent chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind around 7 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Calm wind.
Thursday
Mostly sunny, with a high near 47. Light west wind.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.
Friday
Partly sunny, with a high near 52. West wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 30. North wind around 6 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 31. West wind around 8 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 50. North wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 23. North wind around 7 mph.
Monday
Partly sunny, with a high near 43. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
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
6:06 pm CDT Mar 16, 2026
10pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026


