SISTER BAY, WI 54234 Weather Forecast & Current Conditions

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STURGEON BAY, WI
Current Weather

6:57 AM CDT APR 11, 2026
Clear
34°F
Feels Like: 28°F
Dewpoint: 28°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 30.41 inches
Last 72 hours

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SISTER BAY, WI 54234
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs around 50. South wind 10 to 15 mph.
TONIGHT
Rain showers and a slight chance of thunderstorms. Lows in the upper 30s. South wind 10 to 15 mph. Chance of rain near 100 percent.
SUNDAY
Blustery. Not as cool. Showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the lower 60s. South wind 15 to 25 mph. Chance of rain 90 percent.
SUNDAY NIGHT
Blustery. Mostly cloudy. Showers likely in the evening, then a chance of showers after midnight. Nearly steady temperature in the lower 50s. Southwest wind 15 to 25 mph. Chance of rain 70 percent.
MONDAY
Partly cloudy. Highs in the lower 60s. Temperatures falling into the lower 50s in the afternoon. West wind 10 to 15 mph shifting to the southeast 5 to 10 mph in the afternoon.
MONDAY NIGHT
Colder. Showers and a chance of thunderstorms. Lows around 40. Chance of rain 90 percent.
TUESDAY
Showers likely. Highs in the upper 50s. Chance of rain 60 percent.
TUESDAY NIGHT
Light rain. Lows in the lower 40s. Chance of rain 80 percent.
WEDNESDAY
Partly sunny with a 40 percent chance of light rain. Highs around 60.
WEDNESDAY NIGHT
Partly cloudy with a chance of light rain. Lows in the lower 40s. Chance of rain 50 percent.
THURSDAY
Mostly sunny with a 40 percent chance of light rain. Highs in the upper 50s.
THURSDAY NIGHT
Partly cloudy with a 40 percent chance of light rain. Lows in the lower 40s.
FRIDAY
Partly sunny with a 40 percent chance of light rain. Highs in the middle 50s.

Visible Weather Satellite
SISTER BAY, WI 54234
Infrared Weather Satellite
SISTER BAY, WI 54234
NEXRAD Weather Radar
SISTER BAY, WI 54234

STURGEON BAY, WI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/10/2026
Saturday
11 APR 2026
SISTER BAY, WI 54234 weather forecast Day 1, 0 hours 1 AM 35° 32° Clear 0%

0% Thunder
( 0% severe)
S   3 78% 29°
Low 33° SISTER BAY, WI 54234 weather forecast Day 1, 3 hours 4 AM 34° 30° Clear SSW   5 82% 29°
High 50° SISTER BAY, WI 54234 weather forecast Day 1, 6 hours 7 AM 35° 31° Clear 0%

0% Thunder
( 0% severe)
SSW   5 82% 30°

Partly Cloudy



SISTER BAY, WI 54234 weather forecast Day 1, 9 hours 10 AM 44° 41° Clear SSW   6 65% 33°
SISTER BAY, WI 54234 weather forecast Day 1, 12 hours 1 PM 48° 44° Partly Cloudy 8%

0% Thunder
( 1% severe)
S   9 56% 33°
SISTER BAY, WI 54234 weather forecast Day 1, 15 hours 4 PM 47° 42° Partly Cloudy S   12 53% 31°
SISTER BAY, WI 54234 weather forecast Day 1, 18 hours 7 PM 43° 38° Mostly Cloudy 81%
RAIN
***
0% Thunder
( 10% severe)
S   9 60% 30°
SISTER BAY, WI 54234 weather forecast Day 1, 21 hours 10 PM 40° 34° Mostly Cloudy SSE   9 70% 31°
Sunday
12 APR 2026
SISTER BAY, WI 54234 weather forecast Day 2, 0 hours 1 AM 41° 35° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 17% severe)
SSE   10 79% 35°
Low 39° SISTER BAY, WI 54234 weather forecast Day 2, 3 hours 4 AM 42° 35° Mostly Cloudy SSE   14 82% 37°
High 61° SISTER BAY, WI 54234 weather forecast Day 2, 6 hours 7 AM 42° 34° Mostly Cloudy 86%
RAIN
***
0% Thunder
( 11% severe)
SSE   15 89% 39°

Mostly Cloudy

Rain Likely

SISTER BAY, WI 54234 weather forecast Day 2, 9 hours 10 AM 47° 41° Mostly Cloudy S   15 86% 43°
SISTER BAY, WI 54234 weather forecast Day 2, 12 hours 1 PM 52° 47° Mostly Cloudy 59%
RAIN
1–2 in
0% Thunder
( 7% severe)
S   16 86% 48°
SISTER BAY, WI 54234 weather forecast Day 2, 15 hours 4 PM 58° 55° Mostly Cloudy SSW   16 77% 51°
SISTER BAY, WI 54234 weather forecast Day 2, 18 hours 7 PM 58° 55° Mostly Cloudy 54%
RAIN
>2 in
0% Thunder
( 11% severe)
SSW   16 80% 52°
SISTER BAY, WI 54234 weather forecast Day 2, 21 hours 10 PM 57° 53° Mostly Cloudy SSW   16 83% 52°

STURGEON BAY, WI extended weather forecast

Monday
13 APR 2026
Tuesday
14 APR 2026
Wednesday
15 APR 2026
Thursday
16 APR 2026
Friday
17 APR 2026
Low 52° Low 51° Low 46° Low 46° Low 46°
High 66° High 63° High 56° High 63° High 52°
SISTER BAY, WI 54234 weather forecast Day 3 SISTER BAY, WI 54234 weather forecast Day 4 SISTER BAY, WI 54234 weather forecast Day 5 SISTER BAY, WI 54234 weather forecast Day 6 SISTER BAY, WI 54234 weather forecast Day 7
Overcast
39% Rain
Overcast
76% Rain
Overcast
48% Rain
Partly Cloudy
29% Rain
Overcast
50% Rain
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