Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Partly Cloudy

54°F

12°C

Humidity 57%
Wind Speed Calm
Barometer 30.26 in (1025.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 May 10:55 pm CDT
Extended Forecast for

2 Miles S Tomah WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East wind 3 to 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 61. East wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. East wind 6 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with an east wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 66 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 48. East wind 6 to 13 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: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 72. East wind around 5 mph becoming light and variable  in the morning.

    High: 72 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. East wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 61. East wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 42. East wind 6 to 8 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with an east wind 8 to 16 mph, with gusts as high as 25 mph.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 48. East wind 6 to 13 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 before 1pm. Mostly cloudy, with a high near 72. East wind around 5 mph becoming light and variable in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Calm wind.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Light south wind.
Tuesday
Sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58. Light southeast wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southeast wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Tomah WI
 43.97°N 90.51°W
11:16 pm CDT May 20, 2026
11pm CDT May 20, 2026-6pm CDT May 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database