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Grand Isle Coast Guard Station, LA
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7-Day Forecast
Overnight
Chance Showers and Breezy
Low: 62°
A chance of showers with thunderstorms also possible after 3am.
Cloudy with a steady temperature around 62.
Breezy with a southwest wind 15 to 20 mph.
Chance of precipitation is 40%.
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Saturday
Chance Showers
High: 65°
A slight chance of showers before 9am,
then a chance of showers and thunderstorms
between 9am and 3pm,
then a chance of showers after 3pm.
Mostly cloudy with a high near 65.
Southwest wind 10 to 15 mph.
Chance of precipitation is 50%.
New rainfall amounts
between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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Saturday Night
Slight Chance Showers then Mostly Cloudy and Breezy
Low: 44°
A 20% chance of showers before midnight.
Mostly cloudy with a low around 44.
Breezy with a west wind 10 to 15 mph becoming
northwest 15 to 20 mph after midnight.
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Sunday
Mostly Sunny and Breezy
High: 49°
Mostly sunny with a high near 49.
Breezy with a north wind 20 to 25 mph.
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Sunday Night
Mostly Clear and Breezy
Low: 33°
Mostly clear with a low around 33.
Breezy with a north wind around 25 mph.
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M.L.King Day
Mostly Sunny and Breezy
High: 43°
Mostly sunny with a high near 43.
Breezy with a northeast wind 20 to 25 mph.
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Monday Night
Mostly Cloudy and Breezy then Chance Showers and Windy
Low: 36°
A 30% chance of showers after midnight.
Mostly cloudy with a low around 36.
Windy with a northeast wind 20 to 30 mph.
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Tuesday
Rain/Snow Likely and Windy
High: 39°
Rain and snow showers likely.
Cloudy with a high near 39.
Windy with a north wind 25 to 30 mph.
Chance of precipitation is 70%.
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Tuesday Night
Breezy. Chance Rain/Snow then Partly Cloudy
Low: 33°
A chance of rain and snow showers before midnight.
Mostly cloudy with a low around 33.
Breezy with a north wind 20 to 25 mph.
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Wednesday
Mostly Sunny and Breezy then Mostly Sunny
High: 46°
Mostly sunny with a high near 46.
Breezy with a northeast wind 15 to 20 mph.
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Wednesday Night
Mostly Cloudy
Low: 42°
Mostly cloudy with a low around 42.
East wind around 15 mph.
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Thursday
Chance Showers
High: 55°
A chance of showers.
Mostly cloudy with a high near 55.
Northeast wind 10 to 15 mph.
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Thursday Night
Chance Showers
Low: 43°
A chance of showers and thunderstorms.
Mostly cloudy with a low around 43.
East wind around 15 mph becoming
north in the evening.
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Friday
Slight Chance Showers
High: 53°
A slight chance of showers.
Partly sunny with a high near 53.
North wind 10 to 15 mph.
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Source: National Weather Service
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