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.

Fog

53°F

12°C

Humidity 99%
Wind Speed Calm
Barometer 29.68 in (1005.4 mb)
Dewpoint 53°F (12°C)
Visibility 0.50 mi
Last update 15 Apr 11:55 pm CDT
Extended Forecast for

3 Miles SW Warrens WI

Flood Watch April 16, 01:00am until April 16, 03:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 16, 01:00am until April 16, 03:00am

    NOW until 3:00am Thu

    Flood Watch

  • Overnight

    Low: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. Calm wind becoming southeast 5 to 8 mph in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after 1pm. High near 77. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Breezy.
    Mostly Sunny
    then T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 30. Southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 30 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A slight chance of rain and snow showers before 10am, then a slight chance of snow showers. Mostly sunny, with a high near 44. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 54. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind.
Thursday Night
Clear, with a low around 52. Calm wind becoming southeast 5 to 8 mph in the evening. Winds could gust as high as 18 mph.
Friday
Showers and possibly a thunderstorm, mainly after 1pm. High near 77. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 30. Southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain and snow showers before 10am, then a slight chance of snow showers. Mostly sunny, with a high near 44. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 26. West wind 8 to 15 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 25. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 60. South wind 5 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 43. South wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 68. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 66. South wind 6 to 9 mph, with gusts as high as 18 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:
12:31 am CDT Apr 16, 2026
Forecast Valid:
1am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation