Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
78°F
26°C
| Humidity | 30% |
| Wind Speed | W 5 mph |
| Barometer | 29.54 in (1000.6 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 21 Mar 6:55 pm CDT |
Extended Forecast for
Sparta WI
Tonight
Low: 38 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday
High: 48 °F
Slight Chance
Showers then
Partly SunnySunday Night

Low: 23 °F
Mostly Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 35 °F
Mostly Cloudy
Tuesday

High: 57 °F
Mostly Cloudy
Tuesday Night

Low: 35 °F
Mostly Cloudy
Wednesday

High: 57 °F
Slight Chance
ShowersWednesday Night

Low: 38 °F
Mostly Cloudy
Detailed Forecast
Tonight
A chance of sprinkles between 4am and 5am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 38. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 10%.
Sunday
A slight chance of showers before 9am, then a chance of sprinkles between 9am and 10am. Partly sunny, with a high near 48. North wind 9 to 14 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 23. North wind 5 to 10 mph becoming light after midnight.
Monday
Sunny, with a high near 50. Light and variable wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 35. South wind 5 to 11 mph.
Tuesday
Mostly cloudy, with a high near 57. Southwest wind 6 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southeast wind around 6 mph.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 57. Southeast wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 38. South wind around 6 mph becoming west after midnight.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 54. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 26. North wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 45. North wind 5 to 7 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 25. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 49. Northwest wind 5 to 9 mph, with gusts as high as 18 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
3:41 pm CDT Mar 21, 2026
7pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026


