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.

Overcast

77°F

25°C

Humidity 61%
Wind Speed Calm
Barometer 29.92 in (1013.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 May 7:55 pm CDT
Extended Forecast for

Norwalk WI

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 54. East wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. East wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. Light east wind.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. East wind 3 to 7 mph.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 54. East wind 6 to 11 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 77. East wind 6 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 45. Light east wind.
Friday
Sunny, with a high near 82. Calm wind.
Friday Night
Mostly clear, with a low around 56. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. East wind 3 to 7 mph.
Sunday
Sunny, with a high near 82. Southeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Monday
Sunny, with a high near 82. Northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 52. Light east wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.84°N 90.64°W
Last Update:
6:11 pm CDT May 26, 2026
Forecast Valid:
8pm CDT May 26, 2026-6pm CDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation