Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

40°F

4°C

Humidity 52%
Wind Speed S 10 mph
Barometer 30.11 in (1020.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Apr 3:55 am CDT
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: A 50 percent chance of showers.  Mostly cloudy, with a steady temperature around 38. South wind around 8 mph, with gusts as high as 29 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 68. Breezy, with a south wind 14 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm.  Low around 33. West wind 5 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 33 °F

    Showers then
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 55. West wind 5 to 7 mph.

    High: 55 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 34. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 30. Calm wind.

    Low: 30 °F

    Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 48. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 38. South wind around 8 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 68. Breezy, with a south wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 33. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 55. West wind 5 to 7 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 34. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph.
Friday Night
Clear, with a low around 30. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 54. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:36 am CDT Apr 8, 2026
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
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