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.

Overcast

21°F

-6°C

Humidity 90%
Wind Speed SW 10 mph
Barometer 29.81 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Dec 5:55 pm CST
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: Snow, mainly between 2am and 5am. Temperature rising to around 27 by midnight. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 24 °F⇑

    Slight Chance
    Snow then
    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 28 by 10am, then falling to around 21 during the remainder of the day. Northwest wind 15 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F⇓

    Chance Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. West northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 12. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 31 mph.

    Low: 12 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow, mainly between 2am and 5am. Temperature rising to around 27 by midnight. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Wednesday
A 50 percent chance of snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 28 by 10am, then falling to around 21 during the remainder of the day. Northwest wind 15 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 11. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 18. West northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
A 30 percent chance of snow after midnight. Cloudy, with a low around 12. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 31 mph.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 26.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 26.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
Monday Night
A 50 percent chance of snow. Cloudy, with a low around 18.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 29.
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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:
4:46 pm CST Dec 2, 2025
Forecast Valid:
6pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation