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.

Partly Cloudy

74°F

23°C

Humidity 51%
Wind Speed W 6 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 2:55 pm CDT
Extended Forecast for

4 Miles ENE Viroqua Municipal Airport WI

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 73. Calm wind becoming east 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Northeast wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 55. Light southwest wind. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 73. Calm wind becoming east 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. Northeast wind around 6 mph.
Monday Night
Partly cloudy, with a low around 52. Light and variable wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Light and variable wind.
Tuesday Night
Showers and possibly a thunderstorm. Low around 55. Light southwest wind. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 74. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 53. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Calm wind.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming southeast 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Viroqua Municipal Airport WI
 43.58°N 90.83°W
Last Update:
1:26 pm CDT Jun 20, 2026
Forecast Valid:
3pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation