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.

Overcast

64°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 29.72 in (1006.7 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 15 Apr 3:55 pm CDT
Extended Forecast for

5 Miles SSW Sparta WI

Flood Watch until April 16, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 16, 07:00am

    NOW until 7:00am Thu

    Flood Watch

  • This Afternoon

    High: 70 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °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: Mostly clear, with a low around 54. Southeast wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Sunny
    then Showers
    and Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 34. South wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Showers

  • Saturday

    Saturday: A chance of rain showers before 1pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 46. Breezy, with a west wind 13 to 21 mph. Chance of precipitation is 30%.

    High: 46 °F

    Breezy.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. West wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. 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
Mostly clear, with a low around 54. Southeast wind 3 to 7 mph. Winds could gust as high as 18 mph.
Friday
Showers and possibly a thunderstorm after 1pm. High near 77. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 34. South wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of rain showers before 1pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 46. Breezy, with a west wind 13 to 21 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 28. West wind 7 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 50. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 45. South wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 69. West wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 43. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 66. South wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
1:26 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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