Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

47°F

8°C

Humidity 55%
Wind Speed Calm
Barometer 30.11 in (1020.6 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Last update 3 Mar 12:55 pm CST
Extended Forecast for

Tomah WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers.  High near 59. Southeast wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 100%.

    High: 59 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 35. South wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Calm wind.
Tonight
Mostly clear, with a low around 25. Calm wind.
Wednesday
Mostly sunny, with a high near 53. Light and variable wind.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 32. Calm wind.
Thursday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.
Friday
Showers. High near 59. Southeast wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 33. West wind around 7 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 62. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
1:16 pm CST Mar 3, 2026
1pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database