National Weather Service Forecast for: 3 Miles NNW Gretna LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 12:31 pm CDT Mar 9, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 82. South wind around 10 mph.
Chance
T-storms
 Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 69. South wind around 5 mph.
Slight Chance
T-storms then
Mostly Cloudy
 Tuesday

Tuesday: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 5 to 10 mph.
Patchy Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.
Mostly Cloudy

 Wednesday

Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 60. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Showers

 Thursday

Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 35 mph.
Slight Chance
Showers
 Thursday
Night
Thursday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 75. East wind around 5 mph.
Sunny
Hi 82 °F Lo 69 °F Hi 83 °F Lo 70 °F Hi 84 °F Lo 60 °F Hi 69 °F Lo 54 °F Hi 75 °F

 

This Afternoon
 
 A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 82. South wind around 10 mph.
Tonight
 
 A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 69. South wind around 5 mph.
Tuesday
 
 Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 5 to 10 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.
Wednesday
 
 A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 60. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Thursday
 
 A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 69. North wind around 15 mph, with gusts as high as 35 mph.
Thursday Night
 
 Mostly clear, with a low around 54. North wind 5 to 10 mph.
Friday
 
 Sunny, with a high near 75. East wind around 5 mph.
Friday Night
 
 Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm.
Saturday
 
 Sunny, with a high near 79. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 64. Southeast wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 82. South wind 5 to 10 mph.

 

Forecast from NOAA-NWS for 3 Miles NNW Gretna LA.