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

66°F

19°C

Humidity 79%
Wind Speed SW 14 G 21 mph
Barometer 29.64 in (1003.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Apr 11:55 pm CDT
Extended Forecast for

3 Miles SW Warrens WI

  • Overnight

    Overnight: Partly cloudy, with a low around 58. West wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 3am. Low around 59. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    T-storms

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 76. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 68. East wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. East wind around 7 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 70. West wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. West wind 5 to 7 mph becoming southeast after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. West wind 9 to 11 mph, with gusts as high as 24 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms, mainly before 3am. Low around 59. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 76. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 68. East wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. East wind around 7 mph. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 70. West wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 49. West wind 5 to 7 mph becoming southeast after midnight.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy, with a southeast wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. South wind 11 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 52. Breezy, with a west wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 53. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
1:26 am CDT Apr 13, 2026
Forecast Valid:
2am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation