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

68°F

20°C

Humidity 44%
Wind Speed Calm
Barometer 30.30 in (1026.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Oct 3:55 pm CDT
Extended Forecast for

Tomah WI

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light south wind.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming south 5 to 8 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. South wind around 6 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 69. Light south wind.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 70. Calm wind.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 52. South wind around 6 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 69. South wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 53. South wind 5 to 7 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 67. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tomah WI
 43.99°N 90.51°W
Last Update:
4:06 pm CDT Oct 19, 2026
Forecast Valid:
4pm CDT Oct 19, 2026-6pm CDT Oct 26, 2026
 
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Additional Resources

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