Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
24°F
-4°C
| Humidity | 80% |
| Wind Speed | SW 8 mph |
| Barometer | 29.54 in (1002.0 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 15 Jan 9:55 pm CST |
Extended Forecast for
Sparta WI
Tonight
Low: 24 °F⇑
Chance Snow
then SnowFriday

High: 31 °F⇓
Snow Showers
LikelyFriday Night

Low: 8 °F
Chance Snow
Saturday
High: 17 °F
Chance Snow
then Slight
Chance SnowSaturday Night

Low: -1 °F
Mostly Cloudy
Sunday

High: 16 °F
Chance Snow
Sunday Night

Low: -4 °F
Mostly Cloudy
M.L.King Day

High: 4 °F
Cold
Monday Night

Low: -4 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow, mainly after 1am. Temperature rising to around 29 by 3am. Southwest wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely, mainly between 10am and 5pm. Cloudy, with a temperature rising to near 31 by 10am, then falling to around 21 during the remainder of the day. West wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as -2. West wind 7 to 10 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 17. Wind chill values as low as -2. Northwest wind 7 to 11 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around -1. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 23 mph.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 16. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around -4. Northwest wind 8 to 10 mph, with gusts as high as 25 mph.
M.L.King Day
Partly sunny and cold, with a high near 4. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around -4. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Partly sunny, with a high near 16. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7. Light southwest wind.
Wednesday
Partly sunny, with a high near 21. West wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 4. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 23. Calm wind becoming southwest around 6 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
9:41 pm CST Jan 15, 2026
10pm CST Jan 15, 2026-6pm CST Jan 22, 2026



