Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Tunnel City WI
Overnight

Low: 56 °F
Chance
ShowersTuesday

High: 68 °F
Showers
LikelyTuesday Night
Low: 49 °F
Partly Cloudy
then Chance
ShowersWednesday

High: 66 °F
Showers
Wednesday Night

Low: 50 °F
Showers
Thursday
High: 71 °F
Slight Chance
Showers then
Slight Chance
T-stormsThursday Night

Low: 48 °F
Mostly Clear
Juneteenth

High: 73 °F
Sunny
Friday Night

Low: 51 °F
Mostly Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a steady temperature around 56. Southwest wind around 6 mph.
Tuesday
A chance of showers before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 68. West wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 49. Northwest wind 5 to 9 mph becoming calm. Winds could gust as high as 18 mph.
Wednesday
Showers and possibly a thunderstorm. High near 66. Southeast wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. Light and variable wind becoming west 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 71. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 48. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Juneteenth
Sunny, with a high near 73. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 51. Light and variable wind.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Light east wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 76. East wind 6 to 8 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tunnel City WI
44.01°N 90.57°W
44.01°N 90.57°W
2:56 am CDT Jun 16, 2026
3am CDT Jun 16, 2026-6pm CDT Jun 22, 2026



