National Weather Service Forecast for: Thibodaux LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 2:01 am CDT Jun 30, 2026
 
Today

Today: Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind.
Hot

 Tonight

Tonight: A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming north around 5 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: Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind.
Decreasing
Clouds

 Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph. Chance of precipitation is 50%.
Slight Chance
T-storms then
Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

 Friday

Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Calm wind.
Slight Chance
T-storms

 Independence
Day
Independence Day: Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph.
T-storms
Likely
Hi 95 °F Lo 77 °F Hi 91 °F Lo 76 °F Hi 91 °F Lo 76 °F Hi 92 °F Lo 76 °F Hi 92 °F

Heat Advisory
 

Today
 
 Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind.
Tonight
 
 A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.
Wednesday
 
 Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming north around 5 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
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind.
Thursday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph. Chance of precipitation is 50%.
Thursday Night
 
 Mostly clear, with a low around 76. Calm wind.
Friday
 
 A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind.
Friday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Calm wind.
Independence Day
 
 Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph.
Saturday Night
 
 A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph.
Sunday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph.

 

Forecast from NOAA-NWS for Thibodaux LA.