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

78°F

26°C

Humidity 41%
Wind Speed S 16 G 24 mph
Barometer 29.80 in (1009.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Oct 1:55 pm CDT
Extended Forecast for

4 Miles S Sparta / Fort McCoy Airport WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Light northwest wind.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. South wind 5 to 7 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 46. Light northwest wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Calm wind.
Friday
Mostly sunny, with a high near 71. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. South wind 5 to 7 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 9 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 60. South wind 7 to 14 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 79. South wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind 3 to 6 mph. Winds could gust as high as 20 mph.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 72. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Sparta / Fort McCoy Airport WI
 43.91°N 90.76°W
Last Update:
1:26 pm CDT Oct 6, 2026
Forecast Valid:
2pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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