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

24°F

-4°C

Humidity 82%
Wind Speed W 14 G 23 mph
Barometer 29.93 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 12 Jan 9:35 am CST
Extended Forecast for

Sister Bay WI

  • Today

    Today: Sunny, with a high near 33. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 25. West southwest wind 6 to 13 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 36 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. Blustery, with a west wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 30 mph.

    Low: 17 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 21. Blustery, with a north wind 22 to 25 mph, with gusts as high as 33 mph.

    High: 21 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 33. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tonight
A 50 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 25. West southwest wind 6 to 13 mph, with gusts as high as 18 mph. Little or no snow accumulation expected.
Tuesday
Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 36. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. Blustery, with a west wind 9 to 14 mph becoming north 17 to 22 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 21. Blustery, with a north wind 22 to 25 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 19.
Thursday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 27.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 18.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 13.
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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:
7:37 am CST Jan 12, 2026
Forecast Valid:
9am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation