National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

13°F

-11°C

Humidity 89%
Wind Speed Calm
Barometer 29.76 in (1009.2 mb)
Dewpoint 11°F (-12°C)
Visibility 8.00 mi
Last update 27 Feb 4:55 am CST
Extended Forecast for

2 Miles S Tomah WI

  • Today

    Today: Mostly sunny, with a high near 49. Southwest wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely, mainly between 9am and 4pm. Mostly cloudy, with a high near 23. North wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. Light north wind.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Light and variable wind.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Calm wind becoming south 5 to 7 mph in the morning.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. South wind 3 to 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 40. Southeast wind 3 to 5 mph.

    High: 40 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 49. Southwest wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Tonight
Partly cloudy, with a low around 14. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Saturday
Snow likely, mainly between 9am and 4pm. Mostly cloudy, with a high near 23. North wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Mostly clear, with a low around 4. Light north wind.
Sunday
Mostly sunny, with a high near 26. Light and variable wind.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Calm wind.
Monday
Partly sunny, with a high near 37. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 22. South wind 3 to 5 mph.
Tuesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 40. Southeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 23. Light south wind.
Wednesday
A 20 percent chance of rain. Sunny, with a high near 46. Southeast wind 3 to 6 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31. East wind 5 to 7 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 46. East wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Tomah WI
 43.97°N 90.51°W
Last Update:
5:31 am CST Feb 27, 2026
Forecast Valid:
5am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation