National Weather Service Forecast for: 5 Miles WNW Lake Arthur LA
Issued by: National Weather Service Lake Charles, LA
Updated: 7:46 pm CDT Aug 26, 2026
 
Tonight

Tonight: A 10 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Mostly Clear
then Slight
Chance
T-storms
 Thursday

Thursday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 92. Heat index values as high as 99. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
 Friday

Friday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
T-storms
Likely

 Friday
Night
Friday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. East wind around 5 mph.
Sunny then
Slight Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 75. Calm wind.
Mostly Clear

 Sunday

Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Sunny then
Chance
T-storms
 Sunday
Night
Sunday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Mostly Clear
Lo 79 °F Hi 92 °F Lo 75 °F Hi 90 °F Lo 74 °F Hi 92 °F Lo 75 °F Hi 91 °F Lo 75 °F

 

Tonight
 
 A 10 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Thursday
 
 A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 92. Heat index values as high as 99. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
 
 Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Friday Night
 
 A chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.
Saturday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. East wind around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 75. Calm wind.
Sunday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
 
 Partly cloudy, with a low around 75.
Tuesday
 
 A 50 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
 
 Mostly clear, with a low around 75.
Wednesday
 
 A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.

 

Forecast from NOAA-NWS for 5 Miles WNW Lake Arthur LA.