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

57°F

14°C

Humidity 59%
Wind Speed SW 10 mph
Barometer 30.01 in (1017.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Nov 10:55 am CST
Extended Forecast for

Tomah WI

  • Today

    Today: Mostly sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 59. West wind around 5 mph becoming calm in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Veterans Day

    Veterans Day: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 52. Calm wind becoming north around 6 mph in the afternoon.

    High: 52 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Light north wind.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Calm wind becoming north around 6 mph.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 59. West wind around 5 mph becoming calm in the afternoon.
Tuesday Night
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 37. Calm wind.
Veterans Day
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 52. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 28. Light north wind.
Thursday
Partly sunny, with a high near 43. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 43. Calm wind becoming north around 6 mph.
Friday Night
Mostly clear, with a low around 24. Calm wind.
Saturday
Sunny, with a high near 47. Calm wind.
Saturday Night
Mostly clear, with a low around 27. Calm wind.
Sunday
Mostly sunny, with a high near 51. Calm wind becoming south around 5 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:
11:01 am CST Nov 9, 2026
Forecast Valid:
11am CST Nov 9, 2026-6pm CST Nov 15, 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