National Weather Service Forecast for: Terrytown LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 10:21 am CDT May 26, 2026
 
Today

Today: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, 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 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. South 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: Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
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 then
T-storms

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Friday

Friday: Showers and possibly a thunderstorm. High near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Showers
Likely then
T-storms
 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. 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 between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, 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 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Wednesday
 
 Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. South 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
 
 Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm 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 chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
 
 Showers and possibly a thunderstorm. High near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 7pm. 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 slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Terrytown LA.