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

4 Miles NNW Sparta WI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 50. East wind 3 to 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. Breezy, with an east wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 69 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. East wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71. Southeast wind 3 to 7 mph.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Light south wind.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 50. East wind 3 to 5 mph.
Friday
Partly sunny, with a high near 69. Breezy, with an east wind 9 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 51. East wind 7 to 15 mph, with gusts as high as 26 mph.
Saturday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 71. Southeast wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 59. Light south wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. East wind 5 to 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Sparta WI
 43.99°N 90.84°W
Last Update:
3:26 am CDT May 22, 2026
Forecast Valid:
3am CDT May 22, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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