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

9°F

-13°C

Humidity 67%
Wind Speed NW 14 G 18 mph
Barometer 29.93 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 17 Mar 5:15 am CDT
Extended Forecast for

Sister Bay WI

  • Today

    Today: Mostly sunny, with a high near 20. Northwest wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 20 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 15. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 34. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 34 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 10pm, then a slight chance of rain between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 28. South southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 37. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 7am, then a chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 20. Northwest wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 15. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 34. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A slight chance of snow before 10pm, then a slight chance of rain between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 28. South southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 37. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
A slight chance of snow before 7am, then a chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
Last Update:
3:56 am CDT Mar 17, 2026
Forecast Valid:
5am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation