Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
31°F
-1°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 29.71 in (1007.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 9.00 mi |
| Last update | 5 Jan 1:55 am CST |
Extended Forecast for
Sparta WI
Overnight

Low: 27 °F
Becoming
CloudyMonday

High: 37 °F
Cloudy
Monday Night
Low: 31 °F
Chance
Rain/Freezing
Rain and
Patchy FogTuesday
High: 40 °F
Chance
Rain/Freezing
Rain then
Mostly CloudyTuesday Night

Low: 24 °F
Mostly Cloudy
Wednesday

High: 42 °F
Mostly Sunny
Wednesday Night

Low: 28 °F
Partly Cloudy
Thursday

High: 41 °F
Mostly Sunny
Thursday Night
Low: 26 °F
Slight Chance
Rain then
Slight Chance
Snow
Detailed Forecast
Overnight
Partly cloudy early, then becoming cloudy, with a steady temperature around 27. Calm wind.
Monday
Cloudy, with a high near 37. Calm wind.
Monday Night
A chance of rain between 10pm and 5am, then a chance of freezing rain after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 31. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of rain or freezing rain before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 24. Calm wind.
Wednesday
Mostly sunny, with a high near 42. Light south wind.
Wednesday Night
Partly cloudy, with a low around 28. Calm wind.
Thursday
Mostly sunny, with a high near 41. Light and variable wind.
Thursday Night
A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 20%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. West wind around 6 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 29. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Northwest wind around 7 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 29. West wind around 7 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
9:46 pm CST Jan 4, 2026
2am CST Jan 5, 2026-6pm CST Jan 11, 2026


