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

46°F

8°C

Humidity 98%
Wind Speed Calm
Barometer 30.18 in (1022.4 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 23 Jul 3:55 am CDT
Extended Forecast for

4 Miles SW Norwalk WI

  • Today

    Today: Increasing clouds, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Light south wind.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. South wind 5 to 9 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Southwest wind around 8 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Southwest wind 3 to 5 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Light south wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 57. Light south wind.
Friday
Mostly sunny, with a high near 80. South wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 61. South wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 87. Southwest wind around 8 mph.
Saturday Night
Mostly clear, with a low around 67. Southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 92. Light south wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Southwest wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 67. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65. Light and variable wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming west around 5 mph 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:
4:06 am CDT Jul 23, 2026
Forecast Valid:
4am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
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