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.

Fog/Mist

48°F

9°C

Humidity 99%
Wind Speed Calm
Barometer 30.21 in (1023.4 mb)
Dewpoint 48°F (9°C)
Visibility 3.00 mi
Last update 23 Jul 6:55 am CDT
Extended Forecast for

3 Miles E Sparta / Fort McCoy Airport WI

  • Today

    Today: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind 5 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Southwest wind 5 to 7 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. Light and variable wind.
Tonight
Mostly cloudy, with a low around 56. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 60. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 87. Southwest wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southwest wind around 7 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. West wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 88. Light and variable wind.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sparta / Fort McCoy Airport WI
 43.97°N 90.66°W
Last Update:
6:06 am CDT Jul 23, 2026
Forecast Valid:
7am CDT Jul 23, 2026-6pm CDT Jul 29, 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