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.

Partly Cloudy

18°F

-8°C

Humidity 57%
Wind Speed NW 15 G 24 mph
Barometer 30.06 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 3 Dec 6:15 pm CST
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Northwest wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Northwest wind 10 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 17 by 3am. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 33 mph.

    Low: 14 °F⇑

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Cloudy, with a high near 27. West southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow before midnight. Cloudy, with a low around 20. West southwest wind around 11 mph.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near 22.

    High: 22 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

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

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 8. Northwest wind 17 to 20 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 19. Northwest wind 10 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 17 by 3am. Breezy, with a south southwest wind 14 to 24 mph, with gusts as high as 33 mph.
Friday
A 40 percent chance of snow. Cloudy, with a high near 27. West southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of snow before midnight. Cloudy, with a low around 20. West southwest wind around 11 mph.
Saturday
Partly sunny, with a high near 28.
Saturday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 13.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 22.
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 17. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 30.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
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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:
5:46 pm CST Dec 3, 2025
Forecast Valid:
6pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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