Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
15°F
-9°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 30.44 in (1032.8 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Last update | 1 Mar 8:55 pm CST |
Extended Forecast for
Sparta WI
Tonight

Low: 18 °F
Mostly Clear
Monday

High: 41 °F
Increasing
CloudsMonday Night
Low: 29 °F
Mostly Cloudy
then Chance
Rain/SnowTuesday

High: 45 °F
Chance Rain
Tuesday Night
Low: 28 °F
Partly Cloudy
then Slight
Chance SnowWednesday

High: 45 °F
Chance Rain
Wednesday Night

Low: 32 °F
Chance Rain
Thursday

High: 50 °F
Chance Rain
Thursday Night
Low: 36 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Mostly clear, with a steady temperature around 18. Light southeast wind.
Monday
Increasing clouds, with a high near 41. South wind 3 to 7 mph. Winds could gust as high as 18 mph.
Monday Night
A chance of rain between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of rain, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 28. Calm wind.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 45. Light east wind.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 50. Calm wind becoming east around 5 mph.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Southeast wind 3 to 5 mph.
Friday
Rain. High near 59. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29. West wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 53. West wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 31. Southwest wind around 6 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 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
5:21 pm CST Mar 1, 2026
9pm CST Mar 1, 2026-6pm CDT Mar 8, 2026


