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.

A Few Clouds

65°F

18°C

Humidity 53%
Wind Speed E 6 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 22 Sep 3:55 pm CDT
Extended Forecast for

Norwalk WI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. East wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 45. Light east wind.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. Light southeast wind.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 50. Southeast wind 3 to 6 mph.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 41. East wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 45. Light east wind.
Thursday
Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 48. Calm wind.
Friday
Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 47. Light southeast wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50. Southeast wind 3 to 6 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68. South wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 53. Calm wind.
Monday
Partly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54. Light southeast wind.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 69. South wind 5 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.82°N 90.61°W
Last Update:
3:31 pm CDT Sep 22, 2026
Forecast Valid:
4pm CDT Sep 22, 2026-6pm CDT Sep 29, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation