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

20°F

-7°C

Humidity 56%
Wind Speed NW 13 G 20 mph
Barometer 29.79 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 6 Dec 7:15 am CST
Extended Forecast for

Sister Bay WI

  • Today

    Today: Mostly cloudy, with a high near 24. Northwest wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries between 9pm and 10pm, then a chance of snow after 10pm. Cloudy, with a low around 15. North wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 15 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 22. North northwest wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 22 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12. North northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow. Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 27 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow. Low around 19. Chance of precipitation is 80%.

    Low: 19 °F

    Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow. Cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 24. Northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Tonight
A chance of flurries between 9pm and 10pm, then a chance of snow after 10pm. Cloudy, with a low around 15. North wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 22. North northwest wind 11 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 12. North northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Snow. Low around 19. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of snow. Cloudy, with a high near 32.
Tuesday Night
Snow. Low around 24. Chance of precipitation is 80%.
Wednesday
Snow likely, mainly before noon. Cloudy, with a high near 32. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 23.
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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:
7:21 am CST Dec 6, 2025
Forecast Valid:
7am CST Dec 6, 2025-6pm CST Dec 12, 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