National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Fair

8°F

-13°C

Humidity 72%
Wind Speed NW 10 G 17 mph
Barometer 30.28 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 4 Dec 6:15 am CST
Extended Forecast for

Sister Bay WI

  • Today

    Today: Mostly sunny, with a high near 19. West northwest wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 19 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Increasing clouds, with a temperature falling to near 13 by 9pm, then rising to around 18 during the remainder of the night. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 13 °F⇑

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Cloudy, with a high near 27. West southwest wind 13 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 19. Southwest wind around 14 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 19. West northwest wind 10 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
A chance of flurries between 4am and 5am, then a slight chance of snow after 5am. Increasing clouds, with a temperature falling to near 13 by 9pm, then rising to around 18 during the remainder of the night. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Friday
A 50 percent chance of snow. Cloudy, with a high near 27. West southwest wind 13 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 19. Southwest wind around 14 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Partly sunny, with a high near 26. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25.
Monday Night
Snow likely. Cloudy, with a low around 19. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
Last Update:
4:31 am CST Dec 4, 2025
Forecast Valid:
6am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation