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.

Overcast

39°F

4°C

Humidity 63%
Wind Speed NW 16 mph
Barometer 29.96 in (1015.8 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 10 Feb 12:55 pm CST
Extended Forecast for

Tomah WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. Northwest wind around 14 mph, with gusts as high as 26 mph.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 36. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 19. Calm wind.

    Low: 19 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Calm wind becoming southwest around 6 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Calm wind becoming south around 6 mph.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Northwest wind around 14 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 19. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 36. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Increasing clouds, with a low around 19. Calm wind.
Thursday
Partly sunny, with a high near 43. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 25. Calm wind.
Friday
Sunny, with a high near 48. Calm wind becoming southwest around 6 mph.
Friday Night
Mostly clear, with a low around 26. Calm wind.
Saturday
Sunny, with a high near 51. Calm wind becoming south around 6 mph.
Saturday Night
Partly cloudy, with a low around 29. Light and variable wind.
Sunday
Sunny, with a high near 50. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 28. Light and variable wind.
Washington's Birthday
Partly sunny, with a high near 49. South wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
Last Update:
2:09 pm CST Feb 10, 2026
Forecast Valid:
2pm CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

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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