National Weather Service Forecast for: Gretna LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 6:21 am CDT Jun 9, 2025
 
Today

Today: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Likely
 Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Chance
T-storms

 Tuesday

Tuesday: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 89. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
T-storms

 Tuesday
Night
Tuesday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
T-storms
Likely

 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%.
Showers

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Slight Chance
T-storms

 Thursday

Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph.
Slight Chance
T-storms

 Friday

Friday: Showers and possibly a thunderstorm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Showers
Likely then
T-storms
Hi 91 °F Lo 77 °F Hi 89 °F Lo 75 °F Hi 90 °F Lo 76 °F Hi 89 °F Lo 77 °F Hi 89 °F

 

Today
 
 Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Tuesday
 
 Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 89. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
 
 Showers and possibly a thunderstorm. High near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Thursday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph.
Friday
 
 Showers and possibly a thunderstorm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind around 5 mph.
Saturday
 
 Showers and possibly a thunderstorm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind around 5 mph.
Sunday
 
 Showers and possibly a thunderstorm. Partly sunny, with a high near 89. South wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Gretna LA.