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.

Mostly Cloudy

74°F

23°C

Humidity 72%
Wind Speed Calm
Barometer 29.77 in (1008.1 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 18 Jun 1:55 pm CDT
Extended Forecast for

2 Miles NNW Tomah WI

  • This Afternoon

    This Afternoon: Showers likely before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then isolated showers between 1am and 3am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Scattered
    Showers

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 83. West wind 3 to 8 mph.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Showers likely before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then isolated showers between 1am and 3am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 83. West wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 93. Southwest wind around 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 77. Southwest wind around 10 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 93. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. West wind around 7 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Tomah WI
 44.01°N 90.51°W
Last Update:
2:28 pm CDT Jun 18, 2025
Forecast Valid:
2pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation