Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Fair
60°F
16°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 29.99 in (1015.6 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 9.00 mi |
| Last update | 24 Jul 11:55 pm CDT |
Extended Forecast for
Tomah WISimilar City Names
Extreme Heat Watch July 26, 12:00pm until July 26, 09:00pm
Overnight

Low: 64 °F
Partly Cloudy
Saturday
High: 88 °F
Slight Chance
Showers then
Mostly SunnySaturday Night

Low: 69 °F
Increasing
CloudsSunday

High: 93 °F
Slight Chance
ShowersSunday Night
Low: 71 °F
Slight Chance
T-storms then
Chance
T-stormsMonday

High: 93 °F
Chance
T-stormsMonday Night

Low: 67 °F
Mostly Clear
Tuesday

High: 89 °F
Sunny
Tuesday Night

Low: 64 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 64. South wind 3 to 5 mph.
Saturday
A slight chance of showers between 11am and noon. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Increasing clouds, with a low around 69. Light southwest wind.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 93. Heat index values as high as 102. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 67. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tomah WISimilar City Names
43.99°N 90.51°W
43.99°N 90.51°W
8:46 pm CDT Jul 24, 2026
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026



