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

56°F

13°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.17 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Jun 8:35 am CDT
Extended Forecast for

Sister Bay WI

  • Today

    Today: Mostly cloudy, with a high near 68. East northeast wind 6 to 8 mph.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.

    High: 74 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 10 mph.

    High: 78 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 68. East northeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 53. East northeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 7 to 9 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 56.
Juneteenth
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 74.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.18°N 87.09°W (Elev. 653 ft)
Last Update:
8:26 am CDT Jun 15, 2025
Forecast Valid:
8am CDT Jun 15, 2025-6pm CDT Jun 21, 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