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.

Fog/Mist

59°F

15°C

Humidity 98%
Wind Speed Calm
Barometer 29.97 in (1014.9 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 8 Aug 2:55 am CDT
Extended Forecast for

3 Miles S Warrens WI

  • Overnight

    Overnight: Mostly clear, with a low around 57. Northwest wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northwest wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 60. Light southwest wind.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 8am. Mostly cloudy, with a high near 82. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms, then a chance of showers after 7am. Partly sunny, with a high near 84. Light northeast wind. Chance of precipitation is 30%.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 82. Northwest wind 3 to 7 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 60. Light southwest wind.
Sunday
Showers and thunderstorms likely, mainly before 8am. Mostly cloudy, with a high near 82. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms, then a chance of showers after 7am. Partly sunny, with a high near 84. Light northeast wind. Chance of precipitation is 30%.
Monday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. Calm wind.
Thursday
Partly sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. Light and variable wind.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Warrens WI
 44.07°N 90.48°W
Last Update:
1:26 am CDT Aug 8, 2026
Forecast Valid:
3am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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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