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.

Overcast

62°F

17°C

Humidity 41%
Wind Speed E 6 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 22 May 4:55 pm CDT
Extended Forecast for

3 Miles S Warrens WI

  • This Afternoon

    This Afternoon: A chance of sprinkles. Cloudy, with a steady temperature around 64. East wind around 14 mph, with gusts as high as 28 mph.

    High: 64 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles before 8pm. Mostly cloudy, with a low around 49. East wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South wind 6 to 9 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 49. Southeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 7 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. Light south wind. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of sprinkles. Cloudy, with a steady temperature around 64. East wind around 14 mph, with gusts as high as 28 mph.
Tonight
A chance of sprinkles before 8pm. Mostly cloudy, with a low around 49. East wind 9 to 15 mph, with gusts as high as 28 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South wind 6 to 9 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 49. Southeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 7 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 52. Light south wind. Chance of precipitation is 20%.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 58. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming east 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 83. East wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 55. East wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Sunny, with a high near 83. Calm wind becoming east 5 to 7 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:
4:51 pm CDT May 22, 2026
Forecast Valid:
5pm CDT May 22, 2026-6pm CDT May 29, 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