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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

68°F

20°C

Humidity 76%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 60°F (16°C)
Visibility 9.00 mi
Last update 24 Jul 8:55 pm CDT
Extended Forecast for

3 Miles SW Cataract WI

Extreme Heat Watch July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 89. Southwest wind 6 to 8 mph.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 69. Light south wind.

    Low: 69 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 92. Heat index values as high as 102. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A chance of thunderstorms before 7am. Mostly sunny, with a high near 93. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. South wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 89. Southwest wind 6 to 8 mph.
Saturday Night
Increasing clouds, with a low around 69. Light south wind.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 92. Heat index values as high as 102. Light southwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. Southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of thunderstorms before 7am. Mostly sunny, with a high near 93. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 67. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cataract WI
 44.06°N 90.87°W
Last Update:
8:46 pm CDT Jul 24, 2026
Forecast Valid:
9pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation