Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

61°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Sep 3:55 am CDT
Extended Forecast for

Sparta / Fort McCoy Airport WI

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 73 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am.  Low around 59. South wind around 6 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 70. South wind around 7 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 57. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 67. Northwest wind 3 to 8 mph.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind.
Tonight
Partly cloudy, with a low around 51. Calm wind.
Tuesday
Increasing clouds, with a high near 73. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. South wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 70. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 57. Calm wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Northwest wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 65. Calm wind.
Friday Night
Mostly clear, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. Calm wind.
Sunday
Mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
3:57 am CDT Sep 28, 2026
4am CDT Sep 28, 2026-6pm CDT Oct 4, 2026
 
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