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

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in (1023.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Nov 4:55 am CST
Extended Forecast for

Sparta / Fort McCoy Airport WI

  • Today

    Today: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of drizzle, mainly after 4am. Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Cloudy then
    Chance
    Drizzle

  • Thursday

    Thursday: A chance of drizzle before noon. Mostly cloudy, with a high near 53. Calm wind becoming southwest around 6 mph.

    High: 53 °F

    Chance
    Drizzle then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. Light northwest wind.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Calm wind becoming south around 6 mph in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming west around 6 mph.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 42. Calm wind.
Tonight
A chance of drizzle, mainly after 4am. Mostly cloudy, with a low around 36. Calm wind.
Thursday
A chance of drizzle before noon. Mostly cloudy, with a high near 53. Calm wind becoming southwest around 6 mph.
Thursday Night
Partly cloudy, with a low around 26. Calm wind.
Friday
Mostly sunny, with a high near 49. Light northwest wind.
Friday Night
Partly cloudy, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 52. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 31. Light west wind.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming west around 6 mph.
Sunday Night
Partly cloudy, with a low around 28. Calm wind.
Monday
Mostly sunny, with a high near 52. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 29. Light and variable wind.
Tuesday
Partly sunny, with a high near 49. South wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
Last Update:
4:26 am CST Nov 19, 2025
Forecast Valid:
5am CST Nov 19, 2025-6pm CST Nov 25, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation