National Weather Service Forecast for: Terrytown LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 9:37 am CDT May 26, 2026
 
Today

Today: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Mostly cloudy, with a high near 83. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
T-storms
Likely
Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 76. Southeast wind around 5 mph.
Slight Chance
T-storms then
Mostly Cloudy
Wednesday

Wednesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
T-storms
Likely
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 75. South wind around 5 mph becoming northeast in the evening.  Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
Thursday

Thursday: Showers and possibly a thunderstorm.  High near 83. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 90%.
Showers

Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm  in the evening.
Chance
T-storms

Friday

Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. South wind around 5 mph.
Chance
T-storms

Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 86. Light west wind increasing to 5 to 10 mph in the morning.
Chance
T-storms then
Showers
Likely
Hi 83 °F Lo 76 °F Hi 86 °F Lo 75 °F Hi 83 °F Lo 75 °F Hi 85 °F Lo 75 °F Hi 86 °F

Flood Watch
 

Today
 
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. Southeast wind around 5 mph.
Wednesday
 
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming northeast in the evening. Chance of precipitation is 60%.
Thursday
 
Showers and possibly a thunderstorm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%.
Thursday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph.
Saturday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
 
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northwest wind around 5 mph becoming east in the afternoon.
Sunday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. East wind around 5 mph.
Monday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 84. North wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Terrytown LA.