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.

Fair

35°F

2°C

Humidity 69%
Wind Speed Calm
Barometer 30.18 in (1022.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 1 Apr 3:55 am CDT
Extended Forecast for

3 Miles SW Warrens WI

Winter Weather Advisory April 2, 12:00am until April 2, 10:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Partly sunny, with a high near 47. East wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Rain showers and sleet, possibly mixed with snow showers before 1am, then rain showers between 1am and 2am, then rain or freezing rain after 2am. Low around 31. Breezy, with an east wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. Little or no snow and sleet accumulation expected.

    Low: 31 °F

    Breezy.
    Rain/Sleet
    Likely then
    Wintry Mix

  • Thursday

    Thursday: Rain showers and freezing rain, possibly mixed with sleet, becoming all rain after 9am. Some thunder is also possible. High near 50. Breezy, with an east wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.

    High: 50 °F

    Wintry Mix
    and Breezy
    then Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 32. Southeast wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 54. West wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 35. East wind 10 to 14 mph, with gusts 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 50 percent chance of showers. Mostly cloudy, with a high near 45. Breezy, with an east wind 10 to 16 mph becoming west in the morning. Winds could gust as high as 25 mph.

    High: 45 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 48 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 47. East wind 6 to 14 mph, with gusts as high as 23 mph.
Tonight
Rain showers and sleet, possibly mixed with snow showers before 1am, then rain showers between 1am and 2am, then rain or freezing rain after 2am. Low around 31. Breezy, with an east wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. Little or no snow and sleet accumulation expected.
Thursday
Rain showers and freezing rain, possibly mixed with sleet, becoming all rain after 9am. Some thunder is also possible. High near 50. Breezy, with an east wind 11 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 32. Southeast wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 54. West wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 35. East wind 10 to 14 mph, with gusts 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 50 percent chance of showers. Mostly cloudy, with a high near 45. Breezy, with an east wind 10 to 16 mph becoming west in the morning. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 48. Breezy, with a northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of snow showers after 1am. Partly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. North wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 47. Northeast wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
3:57 am CDT Apr 1, 2026
Forecast Valid:
4am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation