National Weather Service Forecast for: Opelousas LA
Issued by: National Weather Service Lake Charles, LA
Updated: 7:46 am CDT May 26, 2026
 
Today

Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Tonight

Tonight: Increasing clouds, with a low around 72. Southeast wind around 5 mph.
Increasing
Clouds

 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers
Likely then
T-storms
 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Showers
Likely

 Thursday

Thursday: Showers and possibly a thunderstorm. High near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 80%.
Showers

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Chance
T-storms then
T-storms
Likely
 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Chance
T-storms

 Saturday

Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Chance
T-storms
Hi 84 °F Lo 72 °F Hi 83 °F Lo 71 °F Hi 81 °F Lo 70 °F Hi 84 °F Lo 71 °F Hi 86 °F

 

Today
 
 A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Increasing clouds, with a low around 72. Southeast wind around 5 mph.
Wednesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
 
 Showers and possibly a thunderstorm. High near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 80%.
Thursday Night
 
 A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Friday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Opelousas LA.