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

38°F

3°C

Humidity 96%
Wind Speed Calm
Barometer 30.28 in (1026.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Oct 12:55 am CDT
Extended Forecast for

4 Miles SW Norwalk WI

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Northeast wind around 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 59. East wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 7pm. Cloudy, with a low around 47. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 57. East wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 67. South wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind around 10 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 59. East wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, mainly after 7pm. Cloudy, with a low around 47. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 57. East wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 67. South wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind around 10 mph, with gusts as high as 23 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. South wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 66. West wind 6 to 10 mph.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 43. West wind 6 to 8 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 58. West wind 9 to 15 mph.
Sunday Night
Partly cloudy, with a low around 40. West wind around 8 mph.
Monday
Sunny, with a high near 64. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
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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:
11:51 pm CDT Oct 13, 2025
Forecast Valid:
1am CDT Oct 14, 2025-6pm CDT Oct 20, 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