Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Overcast

24°F

-4°C

Humidity 66%
Wind Speed S 3 mph
Barometer 30.21 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 8 Dec 3:35 pm CST
Extended Forecast for

Sister Bay WI

Winter Storm Watch December 9, 06:00pm until December 10, 09:00am
Click here for hazard details and duration
Winter Storm Watch
  • This Afternoon

    This Afternoon: A chance of flurries.  Mostly cloudy, with a high near 26. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 26 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow, mainly after 1am.  Steady temperature around 25. South southwest wind 14 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Slight Chance
    Snow then
    Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly before 8am.  Mostly cloudy, with a steady temperature around 27. West wind 8 to 16 mph, with gusts as high as 24 mph.  New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Snow, mainly after 9pm.  Low around 23. South southwest wind 6 to 11 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon.  Mostly cloudy, with a high near 31. North northwest wind 16 to 21 mph, with gusts as high as 38 mph.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 23.

    High: 23 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a high near 26. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
Snow, mainly after 1am. Steady temperature around 25. South southwest wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
A 50 percent chance of snow, mainly before 8am. Mostly cloudy, with a steady temperature around 27. West wind 8 to 16 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, mainly after 9pm. Low around 23. South southwest wind 6 to 11 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 31. North northwest wind 16 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 26.
Thursday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 16.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 23.
Friday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 16.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 21.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
3:11 pm CST Dec 8, 2025
3pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database