Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
A Few Clouds
60°F
16°C
| Humidity | 99% |
| Wind Speed | Calm |
| Barometer | 30.07 in (1018.3 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 8.00 mi |
| Last update | 6 Sep 3:55 am CDT |
Extended Forecast for
Melvina WI
Dense Fog Advisory until September 6, 09:00am
NOW until 9:00am Sun

Dense Fog Advisory
Overnight

Low: 61 °F
Patchy Dense
FogSunday
High: 84 °F
Patchy Dense
Fog then
Mostly SunnySunday Night

Low: 59 °F
Partly Cloudy
Labor Day

High: 83 °F
Mostly Sunny
Monday Night

Low: 63 °F
Mostly Cloudy
Tuesday

High: 86 °F
Showers
LikelyTuesday Night

Low: 66 °F
Showers
Wednesday
High: 81 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Overnight
Patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 61. Calm wind.
Sunday
Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. Southeast wind 3 to 6 mph.
Labor Day
Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 63. Southeast wind 8 to 13 mph, with gusts as high as 28 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. South wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 81. Breezy, with a west wind 6 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 59. Southwest wind 3 to 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 20 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Melvina WI
43.8°N 90.76°W
43.8°N 90.76°W
3:12 am CDT Sep 6, 2026
4am CDT Sep 6, 2026-6pm CDT Sep 12, 2026



