National Weather Service Forecast for: Opelousas LA
Issued by: National Weather Service Lake Charles, LA
Updated: 12:05 pm CDT Jul 10, 2026
 
This
Afternoon
This Afternoon: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. South wind around 5 mph.
Chance
T-storms

 Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 77. South wind around 5 mph becoming calm.
Slight Chance
T-storms then
Mostly Clear
 Saturday

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south around 5 mph.
Sunny then
Chance
T-storms
 Saturday
Night
Saturday Night: Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%.
T-storms
Likely then
Partly Cloudy
 Sunday

Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 89. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
 Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.
Chance
T-storms then
Chance
Showers
 Monday

Monday: Showers and possibly a thunderstorm. High near 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%.
Showers then
T-storms

 Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Chance
T-storms then
Heavy Rain
 Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Showers
Likely then
T-storms
Likely
Hi 92 °F Lo 77 °F Hi 92 °F Lo 76 °F Hi 89 °F Lo 75 °F Hi 85 °F Lo 73 °F Hi 85 °F

 

This Afternoon
 
 A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. South wind around 5 mph.
Tonight
 
 A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 77. South wind around 5 mph becoming calm.
Saturday
 
 A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south around 5 mph.
Saturday Night
 
 Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%.
Sunday
 
 A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 89. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.
Sunday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.
Monday
 
 Showers and possibly a thunderstorm. High near 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%.
Monday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Tuesday
 
 Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Tuesday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
 
 Partly cloudy, with a low around 74.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Opelousas LA.