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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

57°F

14°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in (1008.0 mb)
Dewpoint 53°F (12°C)
Visibility 9.00 mi
Last update 15 Apr 10:55 am CDT
Extended Forecast for

3 Miles SW Warrens WI

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Light north wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light and variable wind becoming east around 5 mph.

    High: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Southeast wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Partly Sunny
    then Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 35. South wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: A chance of rain showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 45. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Showers then
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Mostly cloudy, with a low around 27. Breezy, with a west wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Light north wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light and variable wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 50. Southeast wind 3 to 6 mph.
Friday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 35. South wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of rain showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 45. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of snow showers before 1am. Mostly cloudy, with a low around 27. Breezy, with a west wind 9 to 18 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 25. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 41. South wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 68. West wind 9 to 11 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
9:41 am CDT Apr 15, 2026
Forecast Valid:
11am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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