Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Thunderstorm
47°F
8°C
| Humidity | 59% |
| Wind Speed | Calm |
| Barometer | 29.68 in (1005.4 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 7.00 mi |
| Last update | 31 Mar 6:55 am CDT |
Extended Forecast for
Sparta WI
Today
High: 59 °F
Chance
T-storms then
Slight Chance
ShowersTonight
Low: 31 °F
Mostly Cloudy
Wednesday
High: 44 °F
Partly Sunny
then Chance
Wintry MixWednesday Night
Low: 30 °F
Wintry Mix
Thursday
High: 52 °F
Rain/Freezing
Rain then
ShowersThursday Night
Low: 31 °F
Chance
ShowersFriday
High: 53 °F
Partly Sunny
then Chance
ShowersFriday Night
Low: 36 °F
Showers
Saturday
High: 48 °F
Showers
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Partly sunny, with a high near 59. North wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 31. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers, snow showers, and sleet after 4pm. Partly sunny, with a high near 44. East wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
Rain showers, snow showers, freezing rain, and sleet likely before 1am, then rain showers and freezing rain, possibly mixed with sleet between 1am and 4am, then rain or freezing rain after 4am. Low around 30. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Thursday
Rain or freezing rain, becoming all rain after 10am. High near 52. East wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Southwest wind 5 to 7 mph becoming west after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind becoming east 5 to 7 mph in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 36. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 48. East wind 9 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 47. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 26. Northwest wind 3 to 8 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 50. West wind 5 to 8 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
8:06 am CDT Mar 31, 2026
8am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
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