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

86°F

30°C

Humidity 39%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 29 Sep 3:55 pm CDT
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Calm wind.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East wind 3 to 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 77. Southeast wind 3 to 7 mph.

    High: 77 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. Southeast wind 3 to 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. South wind 5 to 9 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Calm wind.
Tuesday
Partly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 54. East wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 77. Southeast wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 81. South wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 58. South wind 3 to 5 mph.
Friday
Sunny, with a high near 84. South wind 5 to 9 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. South wind around 6 mph.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 80. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South wind around 5 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 78. South wind 6 to 9 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57. South wind around 6 mph.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 71. Northwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
2:43 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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Additional Resources

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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