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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

78°F

26°C

Humidity 51%
Wind Speed Calm
Barometer 29.88 in (1011.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Jul 6:55 pm CDT
Extended Forecast for

Tomah WISimilar City Names

  • Tonight

    Tonight: Areas of smoke after 3am. Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy
    then Areas
    Smoke

  • Sunday

    Sunday: Areas of smoke. Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 82 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southwest wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. West wind around 6 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 8 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind around 6 mph.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Areas of smoke after 3am. Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.
Sunday
Areas of smoke. Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 65. Southwest wind around 6 mph.
Monday
Sunny, with a high near 87. West wind around 6 mph.
Monday Night
Partly cloudy, with a low around 68. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 3 to 8 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind around 6 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. North wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 57. Light northeast wind.
Friday
Partly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58. Light and variable wind.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Calm wind becoming southwest around 6 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tomah WISimilar City Names
 43.99°N 90.51°W
Last Update:
4:29 pm CDT Jul 12, 2025
Forecast Valid:
7pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation