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Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
31°F
-1°C
| Humidity | 81% |
| Wind Speed | W 15 mph |
| Barometer | 29.50 in (1000.3 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 8.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 16 Jan 4:55 pm CST |
Extended Forecast for
Tomah WI
This Afternoon

High: 29 °F
Chance Snow
Tonight

Low: 11 °F
Snow Likely
Saturday
High: 18 °F
Snow Likely
then Mostly
CloudySaturday Night

Low: 0 °F
Mostly Cloudy
Sunday

High: 17 °F
Snow Likely
Sunday Night

Low: -7 °F
Mostly Cloudy
M.L.King Day

High: 3 °F
Cold and
BreezyMonday Night

Low: -5 °F
Partly Cloudy
Tuesday

High: 14 °F
Partly Sunny
Detailed Forecast
This Afternoon
A 50 percent chance of snow. Cloudy, with a steady temperature around 29. West wind around 15 mph, with gusts as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 9pm. Cloudy, with a low around 11. Wind chill values as low as -1. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely before noon, then a chance of flurries between noon and 3pm. Cloudy, with a high near 18. Wind chill values as low as -1. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Snow likely, mainly after noon. Mostly cloudy, with a high near 17. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around -7. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
M.L.King Day
Partly sunny and cold, with a high near 3. Breezy, with a west wind 10 to 16 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around -5. West wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 14. West wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 5. Calm wind becoming west around 5 mph after midnight.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 20. West wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 3. Northwest wind around 5 mph.
Thursday
Partly sunny, with a high near 15. Northwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light and variable wind.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 20. Light and variable wind becoming southwest 5 to 7 mph in the morning.
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
5:21 pm CST Jan 16, 2026
5pm CST Jan 16, 2026-6pm CST Jan 23, 2026



