National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

54°F

12°C

Humidity 63%
Wind Speed E 5 mph
Barometer 30.40 in (1030.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 14 Oct 9:55 am CDT
Extended Forecast for

Tomah WISimilar City Names

  • Today

    Today: A 20 percent chance of showers after 2pm. Cloudy, with a high near 60. East wind 5 to 7 mph, with gusts as high as 18 mph.

    High: 60 °F

    Cloudy then
    Slight Chance
    Showers

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 44. Northeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 56. East wind 5 to 7 mph.

    High: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 54. Southeast wind around 7 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74. South wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 65. West wind 5 to 11 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Cloudy, with a high near 60. East wind 5 to 7 mph, with gusts as high as 18 mph.
Tonight
Showers, mainly before 5am. Low around 44. Northeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 56. East wind 5 to 7 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Thursday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54. Southeast wind around 7 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74. South wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 65. West wind 5 to 11 mph.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 40. West wind around 6 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 56. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 35. West wind 3 to 6 mph.
Monday
Sunny, with a high near 62. West wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WISimilar City Names
 43.99°N 90.51°W
Last Update:
8:32 am CDT Oct 14, 2025
Forecast Valid:
10am CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation