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Hazardous Weather Conditions

Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Mostly Cloudy

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 26 Jul 2:15 am CDT
Extended Forecast for

Sister Bay WI

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. West wind 3 to 5 mph.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Heat index values as high as 84. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 78. North northwest wind 5 to 7 mph becoming south in the morning.

    High: 78 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. North wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. West wind 3 to 5 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Heat index values as high as 84. Calm wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind 5 to 9 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 78. North northwest wind 5 to 7 mph becoming south in the morning.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. North wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 82.
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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:
2:01 am CDT Jul 26, 2026
Forecast Valid:
2am CDT Jul 26, 2026-6pm CDT Aug 1, 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