Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Light Rain Fog/Mist
41°F
5°C
| Humidity | 95% |
| Wind Speed | Calm |
| Barometer | 29.42 in (997.4 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 2.75 mi |
| Last update | 8 Jan 5:55 pm CST |
Extended Forecast for
Sparta / Fort McCoy Airport WI
Tonight
Low: 31 °F
Heavy Rain
then
Rain/SnowFriday
High: 38 °F
Slight Chance
Snow then
SunnyFriday Night

Low: 25 °F
Mostly Cloudy
Saturday

High: 31 °F
Chance Snow
Saturday Night

Low: 16 °F
Chance Snow
Sunday

High: 28 °F
Partly Sunny
Sunday Night

Low: 18 °F
Partly Cloudy
Monday

High: 40 °F
Mostly Sunny
Monday Night

Low: 29 °F
Mostly Cloudy
Detailed Forecast
Tonight
Rain and snow before 4am, then snow likely between 4am and 5am, then a chance of rain and snow after 5am. The rain could be heavy at times. Low around 31. Light and variable wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
A 20 percent chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 8 to 13 mph becoming light west in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 25. Calm wind.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of around an inch possible.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind 7 to 9 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 18. Southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 40. West wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind 3 to 5 mph.
Tuesday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 40. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. North wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. North wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 14. North wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 28. Calm wind becoming southwest around 6 mph in the morning.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sparta / Fort McCoy Airport WI
43.95°N 90.72°W
43.95°N 90.72°W
5:26 pm CST Jan 8, 2026
6pm CST Jan 8, 2026-6pm CST Jan 15, 2026



