National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

86°F

30°C

Humidity 39%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 29 Sep 3:55 pm CDT
Extended Forecast for

Norwalk WI

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. Light southeast wind.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Southeast wind 3 to 7 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Southeast wind 3 to 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. South wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. South wind 6 to 10 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64. South wind around 7 mph.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Calm wind.
Tuesday
Partly sunny, with a high near 82. Light southeast wind.
Tuesday Night
Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph.
Wednesday
Partly sunny, with a high near 78. Southeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 54. Southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 82. South wind 3 to 7 mph.
Thursday Night
Clear, with a low around 59. South wind 3 to 5 mph.
Friday
Sunny, with a high near 85. South wind 6 to 10 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64. South wind around 7 mph.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 80. South wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 6 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58. South wind around 7 mph.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 72. Northwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.84°N 90.64°W
Last Update:
2:43 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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