Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
27°F
-3°C
| Humidity | 90% |
| Wind Speed | W 14 G 22 mph |
| Barometer | 29.45 in (998.5 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Wind Chill | 16°F (-9°C) |
| Last update | 20 Feb 6:55 am CST |
Extended Forecast for
Sparta WI
Winter Storm Warning February 20, 07:12am until February 20, 12:00pm
NOW until 12:00pm Fri
Winter Storm Warning
Today
High: 28 °F
Snow and
Patchy
Blowing SnowTonight

Low: 18 °F
Mostly Cloudy
Saturday

High: 30 °F
Partly Sunny
Saturday Night
Low: 14 °F
Mostly Cloudy
then Slight
Chance SnowSunday

High: 26 °F
Chance
FlurriesSunday Night

Low: 11 °F
Mostly Cloudy
Monday

High: 28 °F
Mostly Sunny
Monday Night

Low: 10 °F
Mostly Cloudy
Detailed Forecast
Today
Snow, mainly before 9am. Patchy blowing snow between 10am and 2pm. Steady temperature around 28. Blustery, with a northwest wind 13 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Mostly cloudy, with a low around 18. West wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries before noon. Mostly cloudy, with a high near 26. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 11. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 28. Northwest wind around 5 mph becoming calm in the morning.
Monday Night
Mostly cloudy, with a low around 10. Light and variable wind.
Tuesday
Mostly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. South wind around 6 mph becoming west after midnight.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 34. West wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 13. West wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow. Sunny, with a high near 38. Calm wind becoming southwest around 5 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
5:51 am CST Feb 20, 2026
7am CST Feb 20, 2026-6pm CST Feb 26, 2026



