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

58°F

14°C

Humidity 97%
Wind Speed NE 8 mph
Barometer 29.71 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 7:55 pm CDT
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a steady temperature around 60. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. North northwest wind 6 to 10 mph.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 48. North wind 3 to 6 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. North northwest wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. North northeast wind 6 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a steady temperature around 60. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, with a high near 64. North northwest wind 6 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 48. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 57. North northwest wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 44. North northeast wind 6 to 8 mph.
Thursday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 57.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 54. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 61.
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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:
5:31 pm CDT Oct 12, 2026
Forecast Valid:
8pm CDT Oct 12, 2026-6pm CDT Oct 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