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

54°F

12°C

Humidity 61%
Wind Speed SE 7 mph
Barometer 30.12 in (1021.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 11 Apr 5:55 pm CDT
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a temperature falling to near 47 by 9pm, then rising to around 54 during the remainder of the night. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 59. Southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 54. Northeast wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 73. West wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 50. West wind around 6 mph becoming light and variable after midnight.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a temperature falling to near 47 by 9pm, then rising to around 54 during the remainder of the night. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 59. Southwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 54. Northeast wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 73. West wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 50. West wind around 6 mph becoming light and variable after midnight.
Thursday
A 20 percent chance of showers. Sunny, with a high near 77. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 54. South wind around 7 mph.
Friday
Showers likely. Mostly sunny, with a high near 73. South wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 38. South wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 54. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
6:36 pm CDT Apr 11, 2026
Forecast Valid:
7pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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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