Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

25°F

-4°C

Humidity 94%
Wind Speed Calm
Barometer 30.20 in (1023.9 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Last update 3 Mar 11:55 pm CST
Extended Forecast for

Tomah WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Calm wind becoming southeast around 5 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 30. Calm wind.

    Low: 30 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Mostly cloudy, with a high near 47. Calm wind becoming east 5 to 7 mph.

    High: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 61. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 34. Southwest wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 80%.

    Low: 34 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 48 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. Calm wind.
Wednesday
Sunny, with a high near 55. Calm wind becoming southeast around 5 mph.
Wednesday Night
Increasing clouds, with a low around 30. Calm wind.
Thursday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 47. Calm wind becoming east 5 to 7 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 61. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Southwest wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 59. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 36. Southwest wind around 9 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 67. Breezy, with a southwest wind 9 to 16 mph.
Monday Night
Mostly clear, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 58. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
12:26 am CST Mar 4, 2026
12am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
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Additional Resources

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