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

23°F

-5°C

Humidity 64%
Wind Speed NW 13 G 16 mph
Barometer 30.00 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 13 Mar 11:55 pm CDT
Extended Forecast for

Sister Bay WI

Winter Storm Warning March 14, 07:00pm until March 16, 04:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 15. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 30. Northwest wind 5 to 8 mph becoming southeast in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Steady temperature around 28. East southeast wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Chance Snow
    then Heavy
    Snow

  • Sunday

    Sunday: Snow, possibly mixed with sleet, becoming all snow after 4pm. The snow and sleet could be heavy at times. High near 30. Windy, with a northeast wind 28 to 34 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.

    High: 30 °F

    Snow/Sleet
    and Windy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 16. Very windy, with a north wind 36 to 39 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.

    Low: 16 °F

    Heavy Snow
    and Very
    Windy

  • Monday

    Monday: Snow. High near 20. Very windy. Chance of precipitation is 90%.

    High: 20 °F

    Snow and Very
    Windy

  • Monday Night

    Monday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 7. Very windy.

    Low: 7 °F

    Chance Snow
    and Very
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. Blustery.

    High: 20 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 15. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday
Increasing clouds, with a high near 30. Northwest wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Steady temperature around 28. East southeast wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow, possibly mixed with sleet, becoming all snow after 4pm. The snow and sleet could be heavy at times. High near 30. Windy, with a northeast wind 28 to 34 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 16. Very windy, with a north wind 36 to 39 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.
Monday
Snow. High near 20. Very windy. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 7. Very windy.
Tuesday
Mostly sunny, with a high near 20. Blustery.
Tuesday Night
A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 12.
Wednesday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 33.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.15°W (Elev. 581 ft)
Last Update:
12:12 am CDT Mar 14, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation