Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Partly Cloudy

49°F

9°C

Humidity 97%
Wind Speed Calm
Barometer 30.16 in (1021.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Jun 1:55 am CDT
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am.  Low around 58. Light south wind.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Mostly sunny, with a high near 79. West wind 3 to 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Light north wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind.
Tuesday Night
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Low around 58. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 79. West wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 53. Light north wind.
Thursday
Partly sunny, with a high near 76. Calm wind.
Thursday Night
Partly cloudy, with a low around 53. Calm wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph.
Friday Night
Partly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind 5 to 8 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 8 to 14 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Breezy, with a south wind 7 to 17 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.81°W
1:26 am CDT Jun 23, 2026
2am CDT Jun 23, 2026-6pm CDT Jun 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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