Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

90°F

32°C

Humidity 67%
Wind Speed Calm
Barometer 29.80 in (1008.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 26 Jul 5:55 pm CDT
Extended Forecast for

Norwalk WI

Extreme Heat Warning July 26, 06:08pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 26, 06:08pm until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 8am.  Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

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

    High: 87 °F

    Mostly 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. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the morning.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 71. Southwest wind 5 to 7 mph becoming light and variable. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 64. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly 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. Calm wind.
Wednesday Night
Mostly clear, with a low around 64. Calm wind.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Light north wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Light and variable wind.
Sunday
Sunny, with a high near 86. Light and variable wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.84°N 90.64°W
3:22 pm CDT Jul 26, 2026
6pm CDT Jul 26, 2026-6pm CDT Aug 2, 2026
 
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Additional Resources

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