Hazardous Weather Conditions
Current conditions at
Ephraim-Gibraltar Airport (K3D2)
Lat: 45.14°NLon: 87.19°WElev: 773ft.
Mostly Cloudy
63°F
17°C
| Humidity | 97% |
| Wind Speed | S 5 mph |
| Barometer | 29.81 in |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 26 Aug 5:15 am CDT |
Extended Forecast for
Sister Bay WI
Overnight

Low: 66 °F
Chance
T-stormsWednesday

High: 77 °F
Chance
T-stormsWednesday Night
Low: 59 °F
Slight Chance
T-storms then
Partly CloudyThursday

High: 74 °F
Mostly Sunny
Thursday Night

Low: 55 °F
Mostly Clear
Friday

High: 73 °F
Sunny
Friday Night

Low: 60 °F
Partly Cloudy
Saturday
High: 77 °F
Partly Sunny
then Slight
Chance
ShowersSaturday Night

Low: 62 °F
Chance
Showers
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 66. South southwest wind around 9 mph.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Southwest wind 9 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 74. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 55. Northeast wind 3 to 8 mph.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sister Bay WI
45.19°N 87.12°W (Elev. 630 ft)
45.19°N 87.12°W (Elev. 630 ft)
4:51 am CDT Aug 26, 2026
5am CDT Aug 26, 2026-6pm CDT Sep 1, 2026



