Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
-1°F
-18°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 30.35 in (1030.1 mb) |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Last update | 4 Feb 1:55 am CST |
Extended Forecast for
Tomah WI
Overnight

Low: -1 °F
Partly Cloudy
Wednesday

High: 24 °F
Sunny
Wednesday Night
Low: 12 °F
Partly Cloudy
then Slight
Chance SnowThursday
High: 36 °F
Chance Snow
then Partly
SunnyThursday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance Wintry
MixFriday

High: 38 °F
Partly Sunny
Friday Night

Low: 9 °F
Partly Cloudy
Saturday

High: 30 °F
Mostly Sunny
Saturday Night

Low: 19 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around -1. Calm wind.
Wednesday
Sunny, with a high near 24. Wind chill values as low as -9. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A 20 percent chance of snow after 3am. Increasing clouds, with a low around 12. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 22 mph.
Thursday
A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 36. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of freezing rain after midnight, mixing with rain after 3am. Mostly cloudy, with a low around 28. Light west wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 38. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 9. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 30. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 35. Light and variable wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 20. Light southwest wind.
Monday
Mostly sunny, with a high near 42. Southwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 25. South wind 3 to 5 mph.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 42. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
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
2:28 am CST Feb 4, 2026
2am CST Feb 4, 2026-6pm CST Feb 10, 2026


