Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
28°F
-2°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1017.8 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 5:55 am CDT |
Extended Forecast for
Sparta WI
Today
High: 48 °F
Slight Chance
Snow Showers
then SunnyTonight

Low: 23 °F
Mostly Clear
then FrostMonday

High: 56 °F
Frost then
Mostly SunnyMonday Night

Low: 42 °F
Partly Cloudy
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 40 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 57 °F
Partly Cloudy
Thursday
High: 77 °F
Mostly Sunny
then Chance
Showers and
Breezy
Detailed Forecast
Today
A slight chance of snow showers between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tonight
Widespread frost after 3am. Otherwise, mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm in the evening.
Monday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 42. South wind 3 to 7 mph. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 73. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. South wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Breezy, with a south wind 8 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 50. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 38. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 60. Northwest wind 6 to 10 mph, with gusts as high as 18 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
5:21 am CDT Apr 19, 2026
6am CDT Apr 19, 2026-6pm CDT Apr 25, 2026



