Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.19 in (1023.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 4 Mar 7:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Patchy fog before 9am.  Otherwise, sunny, with a high near 55. Light south wind.

    High: 55 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 62. Southeast wind 5 to 7 mph becoming southwest in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 34. Southwest wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 55. Light south wind.
Tonight
Increasing clouds, with a low around 32. Calm wind.
Thursday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 62. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Southwest wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 49. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 60. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. Southwest wind around 8 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 67. Southwest wind 7 to 15 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 42. Southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 59. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
8:37 am CST Mar 4, 2026
8am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
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