Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

-1°F

-18°C

Humidity 81%
Wind Speed Calm
Barometer 30.35 in (1030.1 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 4 Feb 1:55 am CST
Extended Forecast for

Tomah WI

  • Overnight

    Overnight: Partly cloudy, with a low around -1. Calm wind.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Wind chill values as low as -9. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 3am.  Increasing clouds, with a low around 12. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 22 mph.

    Low: 12 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 8am.  Mostly cloudy, with a high near 36. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of freezing rain after midnight, mixing with rain after 3am.  Mostly cloudy, with a low around 28. Light west wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Friday

    Friday: Partly sunny, with a high near 38. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9. North wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. South wind 3 to 5 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -1. Calm wind.
Wednesday
Sunny, with a high near 24. Wind chill values as low as -9. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A 20 percent chance of snow after 3am. Increasing clouds, with a low around 12. Light west wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 22 mph.
Thursday
A 30 percent chance of snow, mainly before 8am. Mostly cloudy, with a high near 36. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of freezing rain after midnight, mixing with rain after 3am. Mostly cloudy, with a low around 28. Light west wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 38. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 9. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 30. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 35. Light and variable wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 20. Light southwest wind.
Monday
Mostly sunny, with a high near 42. Southwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 25. South wind 3 to 5 mph.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 42. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
2:28 am CST Feb 4, 2026
2am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
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Additional Resources

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