Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
60°F
16°C
| Humidity | 85% |
| Wind Speed | S 16 G 22 mph |
| Barometer | 29.56 in (1001.4 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 11:55 pm CST |
Extended Forecast for
Tunnel City WI
Overnight

Low: 39 °F
Heavy Rain
and Areas FogSaturday
High: 42 °F⇓
Chance
Showers and
Patchy FogSaturday Night

Low: 30 °F
Mostly Clear
Sunday

High: 62 °F
Sunny
Sunday Night

Low: 43 °F
Mostly Cloudy
Monday

High: 65 °F
Mostly Sunny
Monday Night

Low: 33 °F
Mostly Clear
Tuesday
High: 51 °F
Mostly Sunny
then Chance
ShowersTuesday Night

Low: 27 °F
Chance
Rain/Snow
Detailed Forecast
Overnight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall. Areas of fog. Low around 39. Northwest wind 5 to 14 mph becoming west. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers before 8am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a temperature falling to around 34 by 2pm. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 30. Southwest wind 6 to 14 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 62. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 65. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 33. Northwest wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 18 mph.
Tuesday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 51. East wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Northeast wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 42. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 45. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tunnel City WI
44.01°N 90.54°W
44.01°N 90.54°W
12:26 am CST Mar 7, 2026
12am CST Mar 7, 2026-6pm CDT Mar 13, 2026



