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.

Light Drizzle

35°F

2°C

Humidity 91%
Wind Speed N 13 G 23 mph
Barometer 30.06 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Nov 9:15 am CST
Extended Forecast for

Sister Bay WI

  • Today

    Today: A 40 percent chance of showers. Mostly cloudy, with a high near 41. Breezy, with a north wind 18 to 22 mph, with gusts as high as 28 mph.

    High: 41 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Cloudy, with a temperature rising to around 40 by 2am. Breezy, with a north wind 18 to 22 mph, with gusts as high as 29 mph.

    Low: 37 °F⇑

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. North northwest wind 11 to 18 mph, with gusts as high as 22 mph.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. North northwest wind 8 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. North northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers. Mostly cloudy, with a high near 41. Breezy, with a north wind 18 to 22 mph, with gusts as high as 28 mph.
Tonight
A 30 percent chance of showers, mainly before 7pm. Cloudy, with a temperature rising to around 40 by 2am. Breezy, with a north wind 18 to 22 mph, with gusts as high as 29 mph.
Saturday
Mostly cloudy, with a high near 43. North northwest wind 11 to 18 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 36. North northwest wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 44. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.15°W (Elev. 581 ft)
Last Update:
7:36 am CST Nov 13, 2026
Forecast Valid:
9am CST Nov 13, 2026-6pm CST Nov 19, 2026
 
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