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

75°F

24°C

Humidity 32%
Wind Speed W 13 G 23 mph
Barometer 29.86 in (1011.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 1:55 pm CDT
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 67 °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 72. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southeast wind 3 to 5 mph. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind 6 to 10 mph, with gusts as high as 28 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Northwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 44. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Southeast wind 3 to 5 mph. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 59. South wind 6 to 10 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 78. South wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 57. Light south wind.
Columbus Day
A 40 percent chance of showers. Partly sunny, with a high near 68. West wind 3 to 8 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 58. Northwest wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.84°W
Last Update:
1:26 pm CDT Oct 7, 2026
Forecast Valid:
2pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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