
Winter Storm Expected This Afternoon Into Tonight
Another round of snow is expected this afternoon into tonight, mainly along and south of I-90. Heavy snow is expected in parts of northeast Iowa... Read More >
Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
9°F
-13°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1012.7 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Last update | 6 Dec 5:55 am CST |
Extended Forecast for
3 Miles W Tunnel City WI
Winter Weather Advisory December 6, 06:00pm until December 7, 06:00am
Today

High: 21 °F
Mostly Cloudy
Tonight

Low: 5 °F
Snow
Sunday

High: 17 °F
Mostly Sunny
Sunday Night

Low: -3 °F
Mostly Cloudy
Monday

High: 22 °F
Mostly Cloudy
Monday Night

Low: 11 °F
Chance Snow
Tuesday
High: 35 °F
Mostly Cloudy
then Chance
Rain/SnowTuesday Night

Low: 19 °F
Snow
Wednesday

High: 28 °F
Chance Snow
Detailed Forecast
Today
Mostly cloudy, with a high near 21. Light and variable wind.
Tonight
Snow, mainly before 5am. Low around 5. Light northeast wind. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Mostly sunny, with a high near 17. Wind chill values as low as -1. North wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around -3. Calm wind.
Monday
Mostly cloudy, with a high near 22. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11. South wind 6 to 8 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 35. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Snow. Low around 19. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 5 to 7 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 19. Northwest wind 6 to 8 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0. Northwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 14. West wind 6 to 10 mph, with gusts as high as 18 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles W Tunnel City WI
44.01°N 90.63°W
44.01°N 90.63°W
6:01 am CST Dec 6, 2025
6am CST Dec 6, 2025-6pm CST Dec 12, 2025



