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

69°F

21°C

Humidity 39%
Wind Speed SE 5 mph
Barometer 30.16 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 23 Jun 5:35 pm CDT
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 56. South wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. South southeast wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming light and variable.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 67. North wind 5 to 8 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. North wind 3 to 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 56. South wind 3 to 5 mph.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 63. South southeast wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming light and variable.
Thursday
A 20 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 67. North wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 56. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 77.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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 87.12°W (Elev. 630 ft)
Last Update:
2:46 pm CDT Jun 23, 2026
Forecast Valid:
5pm CDT Jun 23, 2026-6pm CDT Jun 30, 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