Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
9°F
-13°C
| Humidity | 82% |
| Wind Speed | W 3 mph |
| Barometer | 30.28 in (1027.6 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 9:55 pm CST |
Extended Forecast for
Tomah WISimilar City Names
Tonight

Low: 3 °F
Mostly Cloudy
Tuesday
High: 26 °F
Chance Snow
then Snow
LikelyTuesday Night
Low: 15 °F
Slight Chance
Snow then
Mostly CloudyWednesday
High: 22 °F
Slight Chance
Snow then
Chance SnowWednesday Night

Low: -3 °F
Mostly Clear
New Year's Day

High: 14 °F
Mostly Sunny
Thursday Night

Low: 3 °F
Mostly Cloudy
Friday

High: 20 °F
Mostly Sunny
Friday Night

Low: 5 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 3. Wind chill values as low as -9. West wind 6 to 9 mph, with gusts as high as 23 mph.
Tuesday
Snow likely, mainly between noon and 5pm. Mostly cloudy, with a high near 26. Wind chill values as low as -7. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 22. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around -3. Northwest wind 3 to 6 mph.
New Year's Day
Mostly sunny, with a high near 14. West wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 3. Calm wind.
Friday
Mostly sunny, with a high near 20. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 5. Calm wind.
Saturday
Mostly sunny, with a high near 24. Calm wind becoming west around 5 mph.
Saturday Night
Mostly cloudy, with a low around 10. South wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 32. South wind around 6 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17. Light west wind.
Monday
Partly sunny, with a high near 31. West wind 3 to 7 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tomah WISimilar City Names
43.99°N 90.51°W
43.99°N 90.51°W
8:47 pm CST Dec 29, 2025
9pm CST Dec 29, 2025-6pm CST Jan 5, 2026


