Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
63°F
17°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 29.71 in (1006.4 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 8.00 mi |
| Last update | 12 Apr 10:55 am CDT |
Extended Forecast for
Sparta WI
Today

High: 74 °F
Chance
T-storms and
BreezyTonight
Low: 58 °F
Mostly Cloudy
and Breezy
then Partly
CloudyMonday
High: 77 °F
Partly Sunny
then Chance
T-stormsMonday Night

Low: 57 °F
Showers
LikelyTuesday
High: 78 °F
Partly Sunny
then Chance
ShowersTuesday Night

Low: 53 °F
Showers
LikelyWednesday
High: 72 °F
Chance
Showers then
Showers
LikelyWednesday Night

Low: 50 °F
Chance
ShowersThursday

High: 74 °F
Slight Chance
Showers
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 74. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, with a low around 58. Breezy, with a southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Light southwest wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers after 1pm. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southeast wind 5 to 7 mph becoming southwest after midnight. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 53. South wind around 6 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 76. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 41. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 54. Northwest wind 8 to 11 mph, with gusts as high as 20 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
9:31 am CDT Apr 12, 2026
11am CDT Apr 12, 2026-6pm CDT Apr 18, 2026



