Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1012.1 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 25 Jul 11:55 pm CDT
Extended Forecast for

3 Miles NNE Tunnel City WI

Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 93 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly between 3am and 4am.  Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 93 °F

    Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Northwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. Calm wind.
Sunday
Partly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Showers and thunderstorms likely, mainly between 3am and 4am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 93. Heat index values as high as 103. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 88. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Tunnel City WI
 44.03°N 90.54°W
12:36 am CDT Jul 26, 2026
12am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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