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.

Overcast

61°F

16°C

Humidity 98%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 28 Jun 4:55 am CDT
Extended Forecast for

Norwalk WI

  • Today

    Today: Isolated showers between 9am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers and
    Areas Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind 5 to 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 82. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. West wind 5 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 6 to 9 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. West wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers between 9am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 69. South wind 5 to 7 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 82. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 62. West wind 5 to 8 mph.
Tuesday
Sunny, with a high near 82. West wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 62. West wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light southwest wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind becoming southeast around 5 mph after midnight.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Norwalk WI
 43.82°N 90.64°W
Last Update:
4:58 am CDT Jun 28, 2025
Forecast Valid:
5am CDT Jun 28, 2025-6pm CDT Jul 4, 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