National Weather Service Forecast for: Opelousas LA
Issued by: National Weather Service Lake Charles, LA
Updated: 7:45 am CDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 93. Heat index values as high as 105. Calm wind.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 77. Calm wind.
Mostly Clear

 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
T-storms
Likely
 Wednesday
Night
Wednesday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 75. Calm wind. Chance of precipitation is 80%.
T-storms then
Chance
Showers
 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

 Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

 Independence
Day
Independence Day: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Calm wind.
Chance
T-storms
Hi 93 °F Lo 77 °F Hi 92 °F Lo 75 °F Hi 92 °F Lo 76 °F Hi 92 °F Lo 76 °F Hi 92 °F

 

Today
 
 Sunny, with a high near 93. Heat index values as high as 105. Calm wind.
Tonight
 
 Mostly clear, with a low around 77. Calm wind.
Wednesday
 
 Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 75. Calm wind. Chance of precipitation is 80%.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind.
Thursday Night
 
 Mostly clear, with a low around 76. Calm wind.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind.
Friday Night
 
 Mostly clear, with a low around 76. Calm wind.
Independence Day
 
 A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Calm wind.
Saturday Night
 
 Mostly clear, with a low around 76.
Sunday
 
 Showers and thunderstorms likely. Sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Opelousas LA.