Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
22°F
-6°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 29.70 in (1007.0 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 9.00 mi |
| Last update | 8 Jan 3:55 am CST |
Extended Forecast for
Sparta / Fort McCoy Airport WI
Today
High: 43 °F
Partly Sunny
then RainTonight
Low: 32 °F
Rain then
Wintry MixFriday
High: 38 °F
Slight Chance
Rain/Snow
then Mostly
SunnyFriday Night

Low: 24 °F
Mostly Cloudy
Saturday

High: 31 °F
Snow Likely
Saturday Night

Low: 17 °F
Chance Snow
Sunday

High: 28 °F
Partly Sunny
Sunday Night

Low: 17 °F
Mostly Cloudy
Monday

High: 39 °F
Mostly Sunny
Detailed Forecast
Today
Rain, mainly after 2pm. High near 43. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and snow, possibly mixed with sleet before 3am, then snow likely, possibly mixed with rain. Low around 32. Calm wind becoming north 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Friday
A slight chance of rain and snow before 7am, then a slight chance of snow between 7am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 38. Northwest wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 24. Calm wind.
Saturday
Snow likely. Mostly cloudy, with a high near 31. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. Northwest wind around 8 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 28. Northwest wind 5 to 7 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 39. West wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 28. West wind 3 to 5 mph.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 39. Southwest wind 3 to 6 mph.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 31. Northwest wind 5 to 7 mph.
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
4:59 am CST Jan 8, 2026
5am CST Jan 8, 2026-6pm CST Jan 14, 2026


