Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

25°F

-4°C

Humidity 86%
Wind Speed Calm
Barometer 30.25 in (1025.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 19 Apr 11:55 pm CDT
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: Widespread frost after 3am.  Otherwise, clear, with a low around 24. Calm wind.

    Low: 24 °F

    Frost

  • Monday

    Monday: Widespread frost before 8am.  Otherwise, sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 76. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 49. South wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    Low: 49 °F

    Showers

Detailed Forecast

Overnight
Widespread frost after 3am. Otherwise, clear, with a low around 24. Calm wind.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 42. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming southeast 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 58. South wind around 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. South wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 63. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 60. Light northwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Areas of frost. Otherwise, mostly sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
11:26 pm CDT Apr 19, 2026
12am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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Additional Resources

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