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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Warrens WI

  • Today

    Today: Increasing clouds, with a high near 75. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am. Mostly cloudy, with a low around 41. Light east wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 57. East wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 43. East wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 43 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers and freezing rain before 4am, then freezing rain, possibly mixed with snow showers and sleet. Low around 27. East wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Wintry Mix

  • Thursday

    Thursday: Rain and freezing rain, possibly mixed with snow and sleet before 1pm, then rain showers. High near 39. Breezy, with an east wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 39 °F

    Wintry Mix
    and Breezy

  • Thursday Night

    Thursday Night: Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 27. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 27 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 47. North wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 47 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 75. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am. Mostly cloudy, with a low around 41. Light east wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 57. East wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 27. North wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday
A 30 percent chance of snow showers after 1pm. Partly sunny, with a high near 43. East wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Snow showers and freezing rain before 4am, then freezing rain, possibly mixed with snow showers and sleet. Low around 27. East wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
Thursday
Rain and freezing rain, possibly mixed with snow and sleet before 1pm, then rain showers. High near 39. Breezy, with an east wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 27. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 47. North wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 31. East wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 47. East wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 45. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
8:01 am CDT Mar 30, 2026
Forecast Valid:
8am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation