Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
43°F
6°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.28 in (1026.0 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 5:55 am CDT |
Extended Forecast for
Sparta WI
Today

High: 66 °F
Slight Chance
ShowersTonight

Low: 47 °F
Chance
ShowersSunday

High: 66 °F
Sunny
Sunday Night

Low: 34 °F
Clear then
Patchy FrostMonday

High: 65 °F
Patchy Frost
then SunnyMonday Night

Low: 42 °F
Mostly Clear
Tuesday
High: 70 °F
Sunny then
Sunny and
BreezyTuesday Night

Low: 50 °F
Mostly Clear
Wednesday

High: 73 °F
Sunny
Detailed Forecast
Today
A slight chance of showers before noon, then a slight chance of showers after 5pm. Partly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind around 6 mph becoming west after midnight.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 70. Breezy, with a light south wind increasing to 11 to 16 mph in the morning.
Tuesday Night
Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Mostly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
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
5:51 am CDT Oct 3, 2026
6am CDT Oct 3, 2026-6pm CDT Oct 9, 2026


