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Petit Lake, LA Weather Forecast

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Petit Lake, LA Weather Forecast

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Petit Lake LA weather - Mostly Clear - 70°F
Mostly Clear
70°F
Updated 6:00 pm
Feels Like 71°F
Humidity 65%
Wind E 9 mph
Barometer  30.17 in
Dew Point 58°F
Petit Lake LA weather - Mostly Clear - 21°C
Mostly Clear
21°C
Updated 6:00 pm
Feels Like 22°C
Humidity 65%
Wind E 14 km/h
Barometer  102.1 kPa
Dew Point 14°C
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Petit Lake Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Petit Lake, LA Weather - Tonight Partly Cloudy Petit Lake, LA Weather - Tuesday Sunny Petit Lake, LA Weather - Tuesday Night Mostly Clear Petit Lake, LA Weather - Wednesday Sunny Petit Lake, LA Weather - Wednesday Night Clear Petit Lake, LA Weather - Thursday Clear Petit Lake, LA Weather - Friday Clear Petit Lake, LA Weather - Saturday Mostly Clear Petit Lake, LA Weather - Saturday Night Mostly Clear Petit Lake, LA Weather - Sunday Partly Cloudy Petit Lake, LA Weather - Monday Partly Cloudy
Partly Cloudy Sunny Mostly Clear Sunny Clear Clear Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
Lo: 69°FLo: 21°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 65°FLo: 18°C		 Hi: 79°FHi: 26°C
Lo: 65°FLo: 18°C		 Hi: 75°FHi: 24°C
Lo: 65°FLo: 18°C		 Hi: 75°FHi: 24°C
Lo: 65°FLo: 18°C		 Hi: 75°FHi: 24°C
Lo: 61°FLo: 16°C		 Hi: 75°FHi: 24°C
Lo: 61°FLo: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 511 PM CDT Mon Oct 19 2026 Petit Lake, LA Weather - WeatherWorld.com

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Issued: 1238 PM CDT Mon Oct 19 2026

Key Messages

Updated at 1238 PM CDT Mon Oct 19 2026
  • Conditions will remain somewhat favorable for the spread of fires through the remainder of this week due to low humidity and drought/abnormally dry conditions across most of the area.
  • Conditions will remain hazardous to small craft across most coastal waters in southeastern Louisiana and Mississippi due to moderate to strong winds and high waves/choppy to rough seas. Small craft advisories and/or exercise caution headlines will remain in place t...