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.

Overcast

17°F

-8°C

Humidity 62%
Wind Speed NW 9 mph
Barometer 30.04 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 7 Dec 2:55 am CST
Extended Forecast for

Sister Bay WI

  • Overnight

    Overnight: A 30 percent chance of snow, mainly before 4am. Mostly cloudy, with a steady temperature around 19. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 19 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 22. North northwest wind around 14 mph, with gusts as high as 21 mph.

    High: 22 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a steady temperature around 15. North wind 6 to 11 mph becoming light west northwest after midnight.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow. Low around 20. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    Low: 20 °F

    Snow Likely
    then Snow and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 24. Chance of precipitation is 90%.

    Low: 24 °F

    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly before 4am. Mostly cloudy, with a steady temperature around 19. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 22. North northwest wind around 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a steady temperature around 15. North wind 6 to 11 mph becoming light west northwest after midnight.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Snow. Low around 20. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Tuesday Night
Snow. Low around 24. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of snow. Cloudy, with a high near 32.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 25.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 24.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 22.
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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:
2:56 am CST Dec 7, 2025
Forecast Valid:
3am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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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