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.

Light Rain Fog/Mist

45°F

7°C

Humidity 95%
Wind Speed Calm
Barometer 29.85 in (1011.6 mb)
Dewpoint 44°F (7°C)
Visibility 4.00 mi
Last update 24 Nov 8:55 pm CST
Extended Forecast for

3 Miles NNW Norwalk WI

  • Tonight

    Tonight: Rain, mainly before midnight. Patchy fog after 10pm. Steady temperature around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly after 4pm. Patchy fog between 3pm and 4pm. High near 50. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain before midnight, then rain and snow likely between midnight and 1am, then snow likely after 1am. Low around 26. Blustery, with a west wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain and
    Breezy then
    Rain/Snow
    Likely and
    Blustery

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 31. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Windy. Chance
    Snow then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph.

    Low: 20 °F

    Mostly Cloudy
    and Blustery

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 27. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 27 °F

    Partly Sunny
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. Calm wind becoming east around 5 mph after midnight.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly before midnight. Patchy fog after 10pm. Steady temperature around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 4pm. Patchy fog between 3pm and 4pm. High near 50. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain before midnight, then rain and snow likely between midnight and 1am, then snow likely after 1am. Low around 26. Blustery, with a west wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 31. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 20. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 34 mph.
Thanksgiving Day
Partly sunny, with a high near 27. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 14. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 27. Northwest wind around 6 mph becoming calm in the afternoon.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Calm wind becoming east around 5 mph after midnight.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 28. East wind around 6 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. East wind around 6 mph becoming north after midnight.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 6 to 8 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 7 mph.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 26. North wind 6 to 8 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Norwalk WI
 43.86°N 90.67°W
Last Update:
8:21 pm CST Nov 24, 2025
Forecast Valid:
9pm CST Nov 24, 2025-6pm CST Dec 1, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation