Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

64°F

18°C

Humidity 36%
Wind Speed Calm
Barometer 30.22 in (1023.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 May 5:55 pm CDT
Extended Forecast for

Tomah WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. East wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 62. East wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. East wind 6 to 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64. East wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 46. East wind 6 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers.  Mostly cloudy, with a high near 69. East wind around 6 mph becoming south in the afternoon.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Calm wind.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. East wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 62. East wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 41. East wind 6 to 8 mph.
Friday
Mostly cloudy, with a high near 64. East wind 8 to 15 mph, with gusts as high as 24 mph.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 46. East wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 6 mph becoming south in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Memorial Day
Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Light south wind.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Light southeast wind.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 85. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.97°N 90.51°W
5:56 pm CDT May 20, 2026
6pm CDT May 20, 2026-6pm CDT May 27, 2026
 
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Additional Resources

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