Bayou Vista, Louisiana Weather
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Click for Flood Warning for Bayou Vista, Louisiana
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Weather Forecast for Bayou Vista, Louisiana : St. Mary County
Issued: 2:45 am CDT May 9, 2025 Latitude: 29.6896528 Longitude: -91.2709383 View on Google Maps

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Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
50% chance of thunderstorms on Overnight 80% chance of thunderstorms on Friday 50% chance of thunderstorms on Saturday 40% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 68°F High: 73°F High: 77°F High: 75°F High: 77°F High: 82°F High: 84°F High: 86°F
Low: 63°F Low: 58°F Low: 61°F Low: 65°F Low: 68°F Low: 70°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny
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Current Conditions at
PATTERSON MEMORIAL - (KPTN)
72°
Mostly Cloudy
as of 2:56 AM CDST
Rel. Humidity: 100%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
6 MPH
340° North
Cloud Level(s): Broken at 4800ft, Broken at 6000ft
Current Conditions at
HOUMA - (KHUM)
72°
Clear
as of 2:55 AM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
NEW IBERIA/ACADIANA - (KARA)
72°
Cloudy
as of 2:53 AM CDST
Rel. Humidity: 100%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 7000ft
50% chance of thunderstorms Overnight Overnight... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Friday Friday... Showers and thunderstorms, mainly before 4pm. Patchy fog between 7am and 8am. High near 73. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
50% chance of thunderstorms Friday Night Friday Night... A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. North wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
50% chance of thunderstorms Saturday Saturday... A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. North wind 5 to 10 mph.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 58. North wind around 5 mph. Chance of precipitation is 30%.
40% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Mostly sunny, with a high near 75. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
20% chance of thunderstorms Monday Monday... A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 65. West wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 82.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 68.
Sunny on Wednesday Wednesday... Sunny, with a high near 84.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 70.
Sunny on Thursday Thursday... Sunny, with a high near 86.
Current Radar Image


Sun Almanac for Bayou Vista, Louisiana
Sunrise: 06:16 AM
Sunset: 7:47 PM
Civil Sunrise:05:50 AM
Civil Sunset: 8:13 PM
Nautical Sunrise: 05:19 AM
Nautical Sunset: 8:44 PM
Astro Sunrise: 04:47 AM
Astro Sunset: 9:16 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.