Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Sparta WI
Today

High: 77 °F
Sunny
Tonight

Low: 44 °F
Decreasing
CloudsTuesday
High: 59 °F
Chance
T-storms then
Chance
ShowersTuesday Night

Low: 29 °F
Mostly Cloudy
Wednesday
High: 44 °F
Partly Sunny
then Chance
Rain/SnowWednesday Night

Low: 28 °F
Wintry Mix
Thursday

High: 40 °F
Wintry Mix
Thursday Night

Low: 29 °F
Chance
Rain/SnowFriday
High: 49 °F
Partly Sunny
then Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 77. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. East wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 59. Northeast wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 29. North wind 5 to 9 mph, with gusts as high as 22 mph.
Wednesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 44. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, possibly mixed with rain showers and freezing rain before 1am, then freezing rain, possibly mixed with snow showers. Low around 28. East wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Thursday
Rain showers and freezing rain, possibly mixed with snow showers before 7am, then rain or freezing rain between 7am and 1pm, then rain showers after 1pm. High near 40. East wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Thursday Night
A chance of rain and snow showers, mainly before 1am. Mostly cloudy, with a low around 29. Northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 49. North wind 5 to 8 mph becoming east in the afternoon.
Friday Night
Rain showers likely before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 33. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 48. East wind 9 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 46. Northwest wind 10 to 14 mph, with gusts as high as 24 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
11:36 am CDT Mar 30, 2026
11am CDT Mar 30, 2026-6pm CDT Apr 5, 2026



