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

22°F

-6°C

Humidity 85%
Wind Speed Calm
Barometer 29.95 in (1015.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 16 Nov 6:55 am CST
Extended Forecast for

4 Miles SW Norwalk WI

  • Today

    Today: Sunny, with a high near 45. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 46. Light and variable wind.

    High: 46 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of rain before 9pm, then rain and snow. Low around 32. Light southeast wind becoming east 5 to 9 mph in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 40. East wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. East wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. Light southeast wind.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 48. Southeast wind 5 to 8 mph becoming east in the afternoon.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 45. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.
Monday
Increasing clouds, with a high near 46. Light and variable wind.
Monday Night
A chance of rain before 9pm, then rain and snow. Low around 32. Light southeast wind becoming east 5 to 9 mph in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 40. East wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 31. East wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 43. Light southeast wind.
Wednesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 48. Southeast wind 5 to 8 mph becoming east in the afternoon.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. North wind 6 to 8 mph.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 43. North wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
A chance of rain and snow. Partly cloudy, with a low around 25. North wind around 7 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 43. Northwest wind around 8 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Norwalk WI
 43.8°N 90.7°W
Last Update:
6:31 am CST Nov 16, 2025
Forecast Valid:
7am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
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Additional Resources

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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