Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Mostly Cloudy
80°F
27°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 29.89 in (1012.0 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 25 Jul 4:55 pm CDT |
Extended Forecast for
Sparta WI
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Tonight
Low: 69 °F
Partly Cloudy
Sunday
High: 93 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Slight Chance
T-storms then
Chance
ShowersMonday
High: 93 °F
Chance
ShowersMonday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A slight chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 66. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Light south wind.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light west wind.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 87. Light northwest wind.
Additional Forecasts and Information
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Point Forecast:
Sparta WI
43.95°N 90.81°W
43.95°N 90.81°W
1:26 pm CDT Jul 25, 2026
5pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
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