Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

16°F

-9°C

Humidity 67%
Wind Speed W 9 mph
Barometer 29.98 in (1017.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 16 Mar 9:55 pm CDT
Extended Forecast for

Tomah WI

  • Tonight

    Tonight: Mostly cloudy, with a low around -3. Wind chill values as low as -12. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: -3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. Wind chill values as low as -15. West wind around 6 mph becoming south in the afternoon.

    High: 22 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before 4am.  Low around 14. South wind 6 to 8 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind around 7 mph.

    High: 43 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Light west wind.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. West wind 5 to 7 mph.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. North wind around 6 mph becoming south after midnight.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around -3. Wind chill values as low as -12. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -15. West wind around 6 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 4am. Low around 14. South wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
A 30 percent chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind around 7 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Calm wind.
Thursday
Mostly sunny, with a high near 47. Light west wind.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.
Friday
Partly sunny, with a high near 52. West wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 30. North wind around 6 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 31. West wind around 8 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 50. North wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 23. North wind around 7 mph.
Monday
Partly sunny, with a high near 43. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
6:06 pm CDT Mar 16, 2026
10pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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