National Weather Service Forecast for: Opelousas LA
Issued by: National Weather Service Lake Charles, LA
Updated: 2:46 am CDT Apr 6, 2026
 
Overnight

Overnight: A 20 percent chance of showers before 4am. Cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph.
Slight Chance
Showers

 Monday

Monday: Cloudy through mid morning, then gradual clearing, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Becoming
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 46. Northeast wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny, with a high near 76. East wind 5 to 10 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Mostly Cloudy

 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Partly Sunny
then Chance
T-storms
 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
T-storms

 Thursday

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 78. East wind 5 to 10 mph.
Slight Chance
T-storms then
Chance
T-storms
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind 5 to 10 mph.
Slight Chance
T-storms
Lo 54 °F Hi 72 °F Lo 46 °F Hi 76 °F Lo 54 °F Hi 78 °F Lo 60 °F Hi 78 °F Lo 62 °F

 

Overnight
 
 A 20 percent chance of showers before 4am. Cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday
 
 Cloudy through mid morning, then gradual clearing, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 46. Northeast wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 76. East wind 5 to 10 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 78. East wind 5 to 10 mph.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind 5 to 10 mph.
Friday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
 
 Partly cloudy, with a low around 64.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Opelousas LA.