National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

50°F

10°C

Humidity 97%
Wind Speed Calm
Barometer 29.77 in (1008.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 6 Oct 10:55 pm CDT
Extended Forecast for

Tunnel City WI

  • Tonight

    Tonight: Mostly clear, with a low around 50. West wind around 5 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Light northwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. South wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Breezy, with a south wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind 8 to 13 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 71. Light northwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. South wind 5 to 7 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 79. Breezy, with a south wind 9 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 60. South wind 8 to 13 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 78. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 54. Southwest wind around 6 mph.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 70. West wind 5 to 9 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. North wind around 6 mph.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 62. North wind 6 to 9 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tunnel City WI
 44.01°N 90.57°W
Last Update:
11:41 pm CDT Oct 6, 2026
Forecast Valid:
11pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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