Wind
5 mph
SSE
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Sister Bay, WI.
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Hour-by-Hour Current Observation
Clear
Wind
5 mph
SSE
UV Index
0
None
Humidity
93%
Dew 52°F
Sun
5:01 AM · 8:33 PM
Rise · Set
Source: EPHRAIM (K3D2). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Mostly Cloudy
Overnight: Thunderstorms
Today
Mostly cloudy, with a high near 75. East southeast wind around 7 mph.
Night
A slight chance of showers and thunderstorms between 7pm and 9pm, then showers and thunderstorms. Mostly cloudy. Low around 54, with temperatures rising to around 58 overnight. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
Slight Chance of Rain Showers
Overnight: Mostly Cloudy
Tuesday
A chance of rain showers before 1pm. Mostly cloudy, with a high near 78. Heat index values as high as 77. South southeast wind around 6 mph. Chance of precipitation is 40%.
Night
Mostly cloudy, with a low around 54. South southeast wind around 5 mph.
Wednesday
Isolated T-storm
Overnight: Thunderstorms Likely
Wednesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.
Night
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Thursday
Chance of Scattered Thunderstorms
Overnight: Partly Cloudy
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Night
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 56. Chance of precipitation is 40%.
Friday
Mostly Sunny
Overnight: Slight Chance of Showers
Friday
Sunny, with a high near 80.
Night
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 57. Chance of precipitation is 20%.
Sister Bay, WI Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Sister Bay, WI.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.