Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

42°F

6°C

Humidity 44%
Wind Speed Calm
Barometer 30.03 in (1018.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 17 Nov 2:55 pm CST
Extended Forecast for

Sparta / Fort McCoy Airport WI

Winter Weather Advisory November 18, 01:00am until November 18, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Rain and snow.  Low around 31. East wind 3 to 8 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow before 1pm, then a slight chance of rain between 1pm and 2pm.  High near 36. East wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

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

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers.  Mostly cloudy, with a high near 51. Calm wind becoming southwest around 6 mph in the morning.

    High: 51 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. Light northwest wind.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Calm wind becoming northwest around 6 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow. Low around 31. East wind 3 to 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain and snow before 1pm, then a slight chance of rain between 1pm and 2pm. High near 36. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
Mostly cloudy, with a low around 24. Calm wind.
Wednesday
Mostly cloudy, with a high near 42. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 51. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 25. Light northwest wind.
Friday
Mostly sunny, with a high near 44. Calm wind becoming northwest around 6 mph.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 22. Calm wind.
Saturday
Mostly sunny, with a high near 46. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 27. Light west wind.
Sunday
Mostly sunny, with a high near 50. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 30. Light southwest wind.
Monday
Mostly sunny, with a high near 50. West wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
3:16 pm CST Nov 17, 2025
3pm CST Nov 17, 2025-6pm CST Nov 24, 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