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

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.34 in (1028.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Oct 5:55 am CDT
Extended Forecast for

4 Miles ESE Sparta / Fort McCoy Airport WI

  • Today

    Today: Cloudy, with a high near 61. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 61 °F

    Cloudy

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 47. Northeast wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 58. East wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 67. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 57. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. South wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind around 7 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 67. West wind 6 to 10 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Cloudy, with a high near 61. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Showers, mainly after midnight. Low around 47. Northeast wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 58. East wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 48. Southeast wind 3 to 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 67. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 57. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. South wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind around 7 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 67. West wind 6 to 10 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42. West wind around 6 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 58. Northwest wind 7 to 14 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind around 6 mph.
Monday
Sunny, with a high near 64. West wind 6 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Sparta / Fort McCoy Airport WI
 43.93°N 90.66°W
Last Update:
5:41 am CDT Oct 14, 2025
Forecast Valid:
6am CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
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