Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
34°F
1°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 29.80 in (1010.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 8.00 mi |
| Last update | 11 Mar 1:55 am CDT |
Extended Forecast for
Tomah WI
Winter Weather Advisory March 11, 02:46am until March 11, 01:00pm
NOW until 1:00pm Wed

Winter Weather Advisory
Overnight

Low: 33 °F
Cloudy
Wednesday
High: 40 °F
Wintry Mix
then Snow
ShowersWednesday Night

Low: 22 °F
Mostly Clear
Thursday
High: 44 °F
Sunny then
Chance
Rain/SnowThursday Night
Low: 28 °F
Breezy.
Showers then
Rain/SnowFriday
High: 39 °F
Windy. Snow
Showers
Likely then
Mostly SunnyFriday Night

Low: 20 °F
Mostly Cloudy
Saturday
High: 39 °F
Mostly Cloudy
then Chance
Snow
Detailed Forecast
Overnight
Cloudy, with a steady temperature around 33. North wind around 7 mph.
Wednesday
Snow showers and freezing rain likely before 9am, then snow showers between 9am and 2pm. High near 40. North wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a low around 22. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Thursday
A chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Increasing clouds, with a high near 44. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Rain showers before 4am, then snow showers likely. Low around 28. Breezy, with a south wind 10 to 15 mph becoming west 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely before 7am. Partly sunny, with a high near 39. Windy, with a northwest wind 23 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 39. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Snow. Low around 24. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday
Snow. High near 34. Breezy, with an east wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11. Blustery, with a northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Monday
Partly sunny, with a high near 25. Blustery, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 3. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 3 to 6 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
2:32 am CDT Mar 11, 2026
2am CDT Mar 11, 2026-6pm CDT Mar 17, 2026



