Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Overcast

33°F

1°C

Humidity 97%
Wind Speed S 9 mph
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 27 Dec 9:15 pm CST
Extended Forecast for

Sister Bay WI

Winter Storm Warning December 29, 12:00am until December 29, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: A chance of rain or drizzle before 3am, then a chance of rain between 3am and 5am, then a chance of drizzle after 5am.  Patchy fog before 5am.  Otherwise, cloudy, with a low around 34. South southeast wind 6 to 11 mph.  Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of rain or drizzle before 9am, then a chance of drizzle between 9am and noon, then rain after noon.  Patchy fog before noon. High near 38. Northeast wind 6 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times.  Widespread blowing snow, mainly after 1am. Low around 23. Windy, with a north northwest wind 14 to 19 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 48 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Rain/Snow
    then Heavy
    Snow and
    Blowing Snow

  • Monday

    Monday: Snow, mainly before noon.  Widespread blowing snow, mainly before 10am. High near 26. Windy, with a north northwest wind 28 to 34 mph, with gusts as high as 49 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Areas of blowing snow before midnight. Mostly cloudy, with a low around 13. Windy, with a northwest wind 21 to 31 mph, with gusts as high as 37 mph.

    Low: 13 °F

    Areas Blowing
    Snow and
    Windy then
    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: A 50 percent chance of snow after noon.  Mostly cloudy, with a high near 21.

    High: 21 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon.  Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain or drizzle before 3am, then a chance of rain between 3am and 5am, then a chance of drizzle after 5am. Patchy fog before 5am. Otherwise, cloudy, with a low around 34. South southeast wind 6 to 11 mph. Chance of precipitation is 40%.
Sunday
A chance of rain or drizzle before 9am, then a chance of drizzle between 9am and noon, then rain after noon. Patchy fog before noon. High near 38. Northeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 23. Windy, with a north northwest wind 14 to 19 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday
Snow, mainly before noon. Widespread blowing snow, mainly before 10am. High near 26. Windy, with a north northwest wind 28 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Areas of blowing snow before midnight. Mostly cloudy, with a low around 13. Windy, with a northwest wind 21 to 31 mph, with gusts as high as 37 mph.
Tuesday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 21.
Tuesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 20.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7.
New Year's Day
Mostly sunny, with a high near 13.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
9:11 pm CST Dec 27, 2025
9pm CST Dec 27, 2025-6pm CST Jan 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database