Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
25°F
-4°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.20 in (1023.9 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 9.00 mi |
| Last update | 3 Mar 11:55 pm CST |
Extended Forecast for
Tomah WI
Overnight

Low: 29 °F
Mostly Clear
Wednesday

High: 55 °F
Sunny
Wednesday Night

Low: 30 °F
Increasing
CloudsThursday
High: 47 °F
Chance
Showers then
Mostly CloudyThursday Night
Low: 36 °F
Mostly Cloudy
then Chance
ShowersFriday

High: 61 °F
Showers
Friday Night
Low: 34 °F
Showers then
Chance
ShowersSaturday
High: 48 °F
Slight Chance
Showers then
SunnySaturday Night

Low: 31 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 29. Calm wind.
Wednesday
Sunny, with a high near 55. Calm wind becoming southeast around 5 mph.
Wednesday Night
Increasing clouds, with a low around 30. Calm wind.
Thursday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 47. Calm wind becoming east 5 to 7 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 61. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Southwest wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 59. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 36. Southwest wind around 9 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 67. Breezy, with a southwest wind 9 to 16 mph.
Monday Night
Mostly clear, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 58. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 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
12:26 am CST Mar 4, 2026
12am CST Mar 4, 2026-6pm CDT Mar 10, 2026



