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.

Overcast

32°F

0°C

Humidity 75%
Wind Speed Calm
Barometer 30.12 in (1021.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Nov 3:55 am CST
Extended Forecast for

4 Miles E Westby WI

  • Today

    Today: Partly sunny, with a high near 41. North wind 5 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 20. North wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 44. Light northwest wind.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 23. Calm wind.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. South wind 3 to 5 mph.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 41. North wind 5 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 20. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 44. Light northwest wind.
Saturday Night
Mostly clear, with a low around 20. Calm wind.
Sunday
Sunny, with a high near 48. Calm wind.
Sunday Night
Clear, with a low around 23. Calm wind.
Monday
Sunny, with a high near 50. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 24. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 30. South wind around 7 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 56. South wind 6 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40. South wind 7 to 9 mph, with gusts as high as 23 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 58. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Westby WI
 43.65°N 90.77°W
Last Update:
3:56 am CST Nov 13, 2026
Forecast Valid:
4am CST Nov 13, 2026-6pm CST Nov 19, 2026
 
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Additional Resources

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Chance of Precipitation