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.

Fair

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.49 in (1033.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Oct 12:55 am CDT
Extended Forecast for

Warrens WI

Freeze Warning until October 17, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 17, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 24 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 10am. Otherwise, sunny, with a high near 57. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Southwest wind around 9 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. South wind 3 to 7 mph. Winds could gust as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming southwest around 5 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 24. Calm wind.
Saturday
Widespread frost before 10am. Otherwise, sunny, with a high near 57. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Clear, with a low around 36. Southwest wind around 9 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 64. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 37. South wind 3 to 7 mph. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 65. Calm wind becoming southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 67. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. Light south wind.
Thursday
Mostly sunny, with a high near 71. Light southwest wind.
Thursday Night
Partly cloudy, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 71. Calm wind becoming southeast 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
12:01 am CDT Oct 17, 2026
Forecast Valid:
1am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation