Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Partly Cloudy

88°F

31°C

Humidity 69%
Wind Speed Calm
Barometer 29.87 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 26 Jul 11:55 am CDT
Extended Forecast for

Norwalk WI

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

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • This Afternoon

    High: 93 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph becoming northeast in the evening.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °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 94. Heat index values as high as 105. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 94 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 63 °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 63. Calm wind.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 8 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph becoming northeast in the evening. 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 94. Heat index values as high as 105. 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 65. 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 88. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 88. 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. Light south wind.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light north wind.
Saturday
Sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.84°N 90.64°W
11:41 am CDT Jul 26, 2026
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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