Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
91°F
33°C
| Humidity | 63% |
| Wind Speed | SW 7 mph |
| Barometer | 29.84 in (1010.2 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 26 Jul 1:55 pm CDT |
Extended Forecast for
Tunnel City WI
Extreme Heat Warning July 26, 02:23pm until July 27, 09:00pm
NOW until 9:00pm Mon
Extreme Heat Warning
This Afternoon
High: 89 °F
Mostly Sunny
Tonight
Low: 71 °F
Chance
T-stormsMonday
High: 92 °F
Slight Chance
T-stormsMonday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Detailed Forecast
This Afternoon
Mostly sunny, with a steady temperature around 89. Heat index values as high as 101. Southwest wind around 8 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Partly cloudy, with a low around 71. Light and variable wind becoming south around 6 mph after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 101. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 64. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 64. Calm wind.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Calm wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Tunnel City WI
44.01°N 90.54°W
44.01°N 90.54°W
1:26 pm CDT Jul 26, 2026
2pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
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