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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

38°F

3°C

Humidity 69%
Wind Speed Calm
Barometer 30.00 in (1016.9 mb)
Dewpoint 28°F (-2°C)
Visibility 8.00 mi
Last update 18 Nov 1:55 am CST
Extended Forecast for

5 Miles NE Norwalk WI

Winter Weather Advisory until November 18, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until November 18, 12:00pm

    NOW until 12:00pm Tue

    Winter Weather Advisory

  • Overnight

    Low: 35 °F

    Rain

  • Tuesday

    Tuesday: Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. High near 36. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 36 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. East wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Light south wind.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 48. South wind 6 to 8 mph becoming northwest in the afternoon.

    High: 48 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Northwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Northwest wind 5 to 7 mph.

    High: 42 °F

    Sunny

Detailed Forecast

Overnight
Rain. Steady temperature around 35. East wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. High near 36. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 26. East wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 41. Light south wind.
Wednesday Night
Mostly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 48. South wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. Northwest wind around 6 mph.
Friday
Sunny, with a high near 42. Northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 23. Light and variable wind becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 45. Southwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind around 6 mph.
Sunday
Sunny, with a high near 48. West wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 32. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 48. West wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Norwalk WI
 43.88°N 90.58°W
Last Update:
2:16 am CST Nov 18, 2025
Forecast Valid:
2am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
Forecast Discussion
 
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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