Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

41°F

5°C

Humidity 40%
Wind Speed Calm
Barometer 30.13 in (1021.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 29 Mar 1:55 am CDT
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. South wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 43. East wind 7 to 9 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 55. East wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 25. North wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. North wind 6 to 8 mph becoming east in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers after 1am.  Mostly cloudy, with a low around 24. East wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 64. South wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 40. South wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 75. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43. East wind 7 to 9 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 55. East wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 25. North wind 7 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 48. North wind 6 to 8 mph becoming east in the afternoon.
Wednesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 24. East wind 7 to 9 mph, with gusts as high as 21 mph.
Thursday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 42. East wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. East wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 49. East wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Showers likely. Mostly cloudy, with a low around 34. East wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 50. East wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
1:26 am CDT Mar 29, 2026
2am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
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