Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 30.28 in (1026.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 3 Oct 5:55 am CDT
Extended Forecast for

Sparta WI

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers after 5pm.  Partly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind around 6 mph becoming west after midnight.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 8am.  Otherwise, sunny, with a high near 65. Calm wind.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Breezy, with a light south wind increasing to 11 to 16 mph in the morning.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers after 5pm. Partly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind around 6 mph becoming west after midnight.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind.
Monday Night
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 70. Breezy, with a light south wind increasing to 11 to 16 mph in the morning.
Tuesday Night
Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Mostly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
5:51 am CDT Oct 3, 2026
6am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
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