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

74°F

23°C

Humidity 34%
Wind Speed Calm
Barometer 29.78 in (1008.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 16 Apr 3:55 pm CDT
Extended Forecast for

3 Miles SW Warrens WI

Flood Watch April 17, 01:00pm until April 18, 07:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind becoming southeast 5 to 8 mph in the evening. Winds could gust as high as 20 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 78. Breezy, with a south wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Breezy.
    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 30. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A slight chance of rain showers before 10am, then a slight chance of sleet between 10am and 1pm. Mostly sunny, with a high near 44. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 44 °F

    Breezy.
    Slight Chance
    Rain/Sleet
    then Slight
    Chance Sleet

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind around 9 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind becoming southeast 5 to 8 mph in the evening. Winds could gust as high as 20 mph.
Friday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 78. Breezy, with a south wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 30. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain showers before 10am, then a slight chance of sleet between 10am and 1pm. Mostly sunny, with a high near 44. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 27. West wind 7 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 48. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 59. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. South wind around 9 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 70. Southwest wind around 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 40. Northwest wind around 6 mph becoming east after midnight.
Wednesday
Sunny, with a high near 69. Southeast wind 5 to 8 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 43. Southeast wind around 7 mph.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 69. Southeast wind 8 to 11 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
3:07 pm CDT Apr 16, 2026
Forecast Valid:
4pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation