Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
67°F
19°C
| Humidity | 76% |
| Wind Speed | SW 16 G 28 mph |
| Barometer | 29.63 in (1003.6 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 12 Apr 8:55 pm CDT |
Extended Forecast for
Sparta WI
Tonight

Low: 57 °F
Mostly Cloudy
Monday
High: 78 °F
Partly Sunny
then Chance
T-stormsMonday Night

Low: 57 °F
Chance
T-stormsTuesday
High: 77 °F
Mostly Sunny
then Chance
ShowersTuesday Night

Low: 51 °F
Showers
LikelyWednesday
High: 71 °F
Chance
Showers then
Showers
LikelyWednesday Night

Low: 52 °F
Showers
LikelyThursday

High: 73 °F
Slight Chance
T-stormsThursday Night

Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 57. Southwest wind 6 to 13 mph, with gusts as high as 29 mph.
Monday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 77. West wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 60%. New precipitation 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 71. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. East wind around 6 mph becoming south after midnight. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73. West wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph becoming southeast after midnight.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Breezy, with a south wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 52. Northwest wind 8 to 11 mph.
Saturday Night
A chance of rain and snow showers. Partly cloudy, with a low around 30. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
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
6:46 pm CDT Apr 12, 2026
10pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026



