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.

Overcast

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 29.74 in (1007.2 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 12 Oct 7:55 am CDT
Extended Forecast for

Norwalk WI

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. South wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Calm wind becoming north around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 63. East wind around 6 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Breezy, with a light northwest wind increasing to 11 to 16 mph in the evening. Winds could gust as high as 31 mph.

    Low: 41 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 34 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 87. South wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 59. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph.
Tuesday
Mostly sunny, with a high near 73. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming north around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight.
Thursday
Showers likely. Mostly cloudy, with a high near 63. East wind around 6 mph becoming north in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Breezy, with a light northwest wind increasing to 11 to 16 mph in the evening. Winds could gust as high as 31 mph.
Friday
Mostly sunny, with a high near 55. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 34 mph.
Friday Night
Mostly clear, with a low around 30. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 57. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 37. South wind 8 to 13 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 63. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 30 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:
6:26 am CDT Oct 12, 2026
Forecast Valid:
8am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation