National Weather Service Forecast for: Jean Lafitte LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 6:58 am CDT May 25, 2026
 
Memorial
Day
Memorial Day: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 81. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
Chance
T-storms
 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Cloudy, with a low around 73. Southeast wind around 5 mph.
Chance
T-storms

 Tuesday

Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm, then a slight chance of showers after 10pm. Low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Showers then
Slight Chance
Showers
 Wednesday

Wednesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Chance
T-storms then
T-storms
Likely
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Chance
T-storms

 Thursday

Thursday: Showers and possibly a thunderstorm. High near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Showers then
T-storms

 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Chance
T-storms

 Friday

Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Chance
T-storms then
Showers
Hi 81 °F Lo 73 °F Hi 83 °F Lo 76 °F Hi 86 °F Lo 76 °F Hi 84 °F Lo 73 °F Hi 82 °F

Flood Watch
 

Memorial Day
 
 Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 81. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly after 2am. Cloudy, with a low around 73. Southeast wind around 5 mph.
Tuesday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Showers and possibly a thunderstorm before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm, then a slight chance of showers after 10pm. Low around 76. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
 
 Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Thursday
 
 Showers and possibly a thunderstorm. High near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Friday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Saturday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Jean Lafitte LA.