
Rounds of Heavy Rain Today, Severe Weather Potential Tonight
Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Overcast
56°F
13°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.73 in (1007.4 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 2:55 pm CST |
Extended Forecast for
Sparta WI
Tonight

Low: 36 °F
Showers
Saturday
High: 41 °F
Isolated
Showers then
Mostly SunnySaturday Night

Low: 31 °F
Mostly Clear
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Cloudy
Monday

High: 65 °F
Mostly Sunny
Monday Night

Low: 35 °F
Partly Cloudy
Tuesday

High: 49 °F
Chance
ShowersTuesday Night

Low: 27 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and thunderstorms before 3am, then scattered showers between 3am and 4am. Low around 36. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Isolated showers between 7am and 9am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 41. Northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 62. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 65. West wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 35. Light and variable wind becoming northeast around 6 mph after midnight.
Tuesday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 49. East wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers. Cloudy, with a low around 27. Northeast wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 43. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 24. Northwest wind around 5 mph becoming light and variable in the evening.
Thursday
Partly sunny, with a high near 50. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34. South wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 54. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 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
12:41 pm CST Mar 6, 2026
3pm CST Mar 6, 2026-6pm CDT Mar 13, 2026



