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Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
26°F
-3°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 30.19 in (1023.9 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 9.00 mi |
| Last update | 11 Jan 3:55 am CST |
Extended Forecast for
Sparta WI
Overnight

Low: 23 °F
Isolated
FlurriesSunday

High: 30 °F
Partly Sunny
Sunday Night

Low: 23 °F
Partly Cloudy
Monday

High: 42 °F
Mostly Sunny
Monday Night

Low: 30 °F
Mostly Cloudy
Tuesday

High: 44 °F
Chance Rain
Tuesday Night
Low: 21 °F
Mostly Cloudy
then Slight
Chance SnowWednesday
High: 27 °F
Slight Chance
Snow then
Mostly SunnyWednesday Night

Low: 12 °F
Partly Cloudy
Detailed Forecast
Overnight
Isolated flurries before 5am. Cloudy, with a steady temperature around 23. Northwest wind around 7 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 30. Northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind 5 to 7 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.
Monday Night
Mostly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 44. West wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Northwest wind around 8 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 27. North wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 12. North wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 30. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Snow likely. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 30. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. Northwest wind around 7 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 19. West wind 6 to 9 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
3:51 am CST Jan 11, 2026
4am CST Jan 11, 2026-6pm CST Jan 17, 2026


