National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a steady temperature around 76. Light southwest wind. Chance of precipitation is 20%.

    High: 76 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers before 7pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 10%.

    Low: 53 °F

    Isolated
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming east around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Light east wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Southeast wind around 9 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Breezy, with a south wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 89 °F

    Slight Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a steady temperature around 76. Light southwest wind. Chance of precipitation is 20%.
Tonight
Isolated showers before 7pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 77. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 54. Calm wind.
Friday
Mostly sunny, with a high near 79. Calm wind becoming east around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 54. Light east wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Southeast wind around 9 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Breezy, with a south wind 9 to 17 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 8 to 14 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 94. Breezy, with a south wind 7 to 17 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 5 to 8 mph.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
5:21 pm CDT Jun 24, 2026
Forecast Valid:
5pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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