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

45°F

7°C

Humidity 97%
Wind Speed Calm
Barometer 29.94 in (1014.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Jun 5:55 am CDT
Extended Forecast for

4 Miles N Norwalk WI

  • Today

    Today: Mostly cloudy, with a high near 74. Calm wind becoming east around 6 mph in the morning.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. North wind 3 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. West wind around 7 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Northwest wind 3 to 5 mph.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 74. Calm wind becoming east around 6 mph in the morning.
Tonight
Mostly cloudy, with a low around 52. Light and variable wind.
Monday
Mostly sunny, with a high near 77. North wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. West wind around 7 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. Northwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 53. Light north wind.
Friday
Mostly sunny, with a high near 79. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph, with gusts as high as 22 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Norwalk WI
 43.9°N 90.64°W
Last Update:
5:31 am CDT Jun 21, 2026
Forecast Valid:
6am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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