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

62°F

17°C

Humidity 42%
Wind Speed W 3 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 10 Nov 12:55 pm CST
Extended Forecast for

Tomah WI

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 60. West wind around 5 mph becoming calm.

    High: 60 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A chance of showers before 11am, then a slight chance of showers after 2pm. Partly sunny, with a high near 54. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 3am, then a slight chance of snow showers. Mostly cloudy, with a low around 28. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 42. North wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. Calm wind becoming north 5 to 7 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. Calm wind.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 60. West wind around 5 mph becoming calm.
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Veterans Day
A chance of showers before 11am, then a slight chance of showers after 2pm. Partly sunny, with a high near 54. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain showers before 3am, then a slight chance of snow showers. Mostly cloudy, with a low around 28. North wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 42. North wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41. Calm wind becoming north 5 to 7 mph.
Friday Night
Mostly clear, with a low around 22. Calm wind.
Saturday
Sunny, with a high near 44. Calm wind.
Saturday Night
Mostly clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 48. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
Last Update:
12:46 pm CST Nov 10, 2026
Forecast Valid:
1pm CST Nov 10, 2026-6pm CST Nov 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation