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

46°F

8°C

Humidity 71%
Wind Speed N 3 mph
Barometer 29.97 in (1015.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 5 Nov 4:55 pm CST
Extended Forecast for

Sparta / Fort McCoy Airport WI

  • This Afternoon

    This Afternoon: Scattered sprinkles. Cloudy, with a steady temperature around 47. North wind around 8 mph, with gusts as high as 21 mph.

    High: 47 °F

    Scattered
    Sprinkles

  • Tonight

    Tonight: Scattered sprinkles before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 31 °F

    Scattered
    Sprinkles

  • Friday

    Friday: Mostly sunny, with a high near 49. Calm wind becoming north 5 to 9 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Southwest wind around 8 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. West wind 5 to 10 mph becoming light in the afternoon.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered sprinkles. Cloudy, with a steady temperature around 47. North wind around 8 mph, with gusts as high as 21 mph.
Tonight
Scattered sprinkles before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 49. Calm wind becoming north 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 23. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 60. West wind 5 to 10 mph becoming light in the afternoon.
Sunday Night
Mostly clear, with a low around 33. Calm wind.
Monday
Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 36. Light west wind.
Tuesday
Sunny, with a high near 59. Calm wind becoming west around 6 mph.
Tuesday Night
Partly cloudy, with a low around 32. Calm wind.
Veterans Day
A slight chance of rain and snow showers. Mostly sunny, with a high near 57. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
Last Update:
4:36 pm CST Nov 5, 2026
Forecast Valid:
5pm CST Nov 5, 2026-6pm CST Nov 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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