Wind
17 mph
G 24 mph
N
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Sister Bay, WI
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Hour-by-Hour Current Observation
Cloudy
Wind
17 mph
G 24 mph
N
UV Index
9
Very High
Humidity
91%
Dew 57°F
Sun
5:20 AM · 8:28 PM
Rise · Set
Source: EPHRAIM (K3D2). Slider scrubs the next 12 hours.
5-Day Outlook
Tuesday
Mostly Cloudy
Overnight: Mostly Cloudy
Tuesday
Partly sunny. High near 79, with temperatures falling to around 75 in the afternoon. Heat index values as high as 78. Northwest wind 13 to 18 mph, with gusts as high as 31 mph.
Night
Partly cloudy. Low around 58, with temperatures rising to around 60 overnight. North northwest wind 16 to 21 mph, with gusts as high as 35 mph.
Wednesday
Mostly Sunny
Overnight: Mostly Clear
Wednesday
Sunny, with a high near 78. Heat index values as high as 77. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Night
Mostly clear, with a low around 61. West northwest wind 5 to 8 mph.
Thursday
Mostly Sunny
Overnight: Partly Cloudy
Thursday
Sunny, with a high near 82.
Night
Mostly clear, with a low around 65.
Friday
Mostly Sunny
Overnight: Partly Cloudy
Friday
Mostly sunny, with a high near 82.
Night
Mostly clear, with a low around 66.
Saturday
Mostly Sunny
Overnight: Chance of Showers
Saturday
Mostly sunny, with a high near 82.
Night
A chance of rain showers after 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
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.