Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Thunderstorm in Vicinity
60°F
16°C
| Humidity | 92% |
| Wind Speed | S 7 G 17 mph |
| Barometer | 29.59 in (1002.5 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 10:55 pm CST |
Extended Forecast for
Sparta WI
Tonight

Low: 39 °F
Heavy Rain
and Patchy
FogSaturday
High: 40 °F⇓
Chance
Showers and
Patchy Fog
then Partly
SunnySaturday Night

Low: 31 °F
Mostly Clear
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Cloudy
Monday

High: 66 °F
Mostly Sunny
Monday Night

Low: 36 °F
Mostly Clear
Tuesday
High: 52 °F
Mostly Sunny
then Chance
ShowersTuesday Night
Low: 28 °F
Chance
Showers then
Chance Snow
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 39. Light and variable wind becoming west 8 to 13 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 2pm. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 31. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 62. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind around 6 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 36. Light and variable wind becoming northeast around 6 mph after midnight.
Tuesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 52. East wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 28. Northeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 49. Southwest wind 8 to 14 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
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
11:21 pm CST Mar 6, 2026
11pm CST Mar 6, 2026-6pm CDT Mar 13, 2026



