Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
10°F
-12°C
| Humidity | 70% |
| Wind Speed | Calm |
| Barometer | 30.54 in (1036.5 mb) |
| Dewpoint | 2°F (-17°C) |
| Visibility | 10.00 mi |
| Last update | 31 Jan 3:55 am CST |
Extended Forecast for
Tomah WI
Overnight

Low: 4 °F
Mostly Cloudy
Saturday

High: 21 °F
Mostly Sunny
Saturday Night

Low: 5 °F
Partly Cloudy
Sunday

High: 24 °F
Snow Likely
Sunday Night
Low: 12 °F
Chance Snow
then Mostly
CloudyMonday

High: 24 °F
Mostly Sunny
Monday Night

Low: 6 °F
Mostly Cloudy
Tuesday

High: 23 °F
Mostly Sunny
Tuesday Night

Low: 1 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a steady temperature around 4. Wind chill values as low as -7. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 21. Wind chill values as low as -9. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 5. Wind chill values as low as -4. Calm wind becoming south around 6 mph after midnight.
Sunday
Snow likely, mainly after noon. Partly sunny, with a high near 24. Wind chill values as low as -3. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Light and variable wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 24. Northwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 6. Calm wind.
Tuesday
Mostly sunny, with a high near 23. Light north wind.
Tuesday Night
Partly cloudy, with a low around 1. Calm wind.
Wednesday
Sunny, with a high near 25. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 8. Light west wind.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 33. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 32. Northwest wind 8 to 11 mph, with gusts as high as 21 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
3:16 am CST Jan 31, 2026
3am CST Jan 31, 2026-6pm CST Feb 6, 2026


