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.

Partly Cloudy

75°F

24°C

Humidity 66%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 12:55 pm CDT
Extended Forecast for

3 Miles W Tunnel City WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. Light southeast wind.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Light west wind.

    Low: 59 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. West wind 5 to 7 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Northwest wind 3 to 8 mph.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. Light southeast wind.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. Calm wind.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Light west wind.
Saturday
Sunny, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 51. West wind 5 to 7 mph, with gusts as high as 18 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 66. Northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 43. Light northwest wind.
Tuesday
Sunny, with a high near 69. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 43.99°N 90.63°W
Last Update:
12:13 pm CDT Aug 21, 2025
Forecast Valid:
1pm CDT Aug 21, 2025-6pm CDT Aug 27, 2025
 
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Additional Resources

Radar & Satellite Image

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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