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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

30°F

-1°C

Humidity 89%
Wind Speed Calm
Barometer 29.94 in (1014.8 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Last update 6 May 6:55 am CDT
Extended Forecast for

Sparta WI

Freeze Warning until May 6, 08:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning until May 6, 08:00am

    NOW until 8:00am Wed

    Freeze Warning

  • Today

    High: 53 °F

    Frost then
    Partly Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, increasing clouds, with a low around 30. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 30 °F

    Partly Cloudy
    then Frost

  • Thursday

    Thursday: A chance of sprinkles before 9am, then a slight chance of showers between 9am and 11am. Widespread frost, mainly before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 53. Light northwest wind becoming west 9 to 14 mph in the morning.
Tonight
Widespread frost, mainly after 3am. Otherwise, increasing clouds, with a low around 30. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
A chance of sprinkles before 9am, then a slight chance of showers between 9am and 11am. Widespread frost, mainly before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. Light and variable wind.
Friday
Mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 43. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 72. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 61. Light northwest wind increasing to 9 to 14 mph in the morning.
Sunday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.81°W
Last Update:
5:22 am CDT May 6, 2026
Forecast Valid:
7am CDT May 6, 2026-6pm CDT May 12, 2026
 
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Additional Resources

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Chance of Precipitation