Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Fair

66°F

19°C

Humidity 54%
Wind Speed S 12 G 20 mph
Barometer 29.74 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 6 Oct 4:15 pm CDT
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: Mostly cloudy, then gradual clearing toward daybreak, with a low around 54. South southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 54 °F

    Clearing Late

  • Wednesday

    Wednesday: Sunny, with a high near 67. West wind around 9 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. West northwest wind 9 to 11 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. West wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradual clearing toward daybreak, with a low around 54. South southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
Wednesday
Sunny, with a high near 67. West wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 49. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 61. West northwest wind 9 to 11 mph.
Thursday Night
Mostly clear, with a low around 47. West wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 51.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 64.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
3:56 pm CDT Oct 6, 2026
4pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
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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