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.

Fair

63°F

17°C

Humidity 95%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 4 Aug 9:55 pm CDT
Extended Forecast for

Tomah WISimilar City Names

  • Tonight

    Tonight: Areas of smoke before 1am. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Areas Smoke

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southeast wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Light southeast wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South wind 3 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 90. South wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of smoke before 1am. Partly cloudy, with a low around 57. Calm wind.
Tuesday
Mostly sunny, with a high near 81. Southeast wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 58. Light southeast wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Light south wind.
Thursday
Mostly sunny, with a high near 86. South wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 70. Light south wind.
Friday
Sunny, with a high near 90. South wind 5 to 9 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 71. South wind around 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 6 to 9 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light southwest wind.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WISimilar City Names
 43.99°N 90.51°W
Last Update:
10:14 pm CDT Aug 4, 2025
Forecast Valid:
10pm CDT Aug 4, 2025-6pm CDT Aug 11, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation