National Weather Service Forecast for: Lafayette LA
Issued by: National Weather Service Lake Charles, LA
Updated: 10:20 pm CDT Aug 25, 2026
 
Tonight

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

 Wednesday

Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Hot

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers after 3am. Mostly clear, with a low around 78. South wind around 5 mph.
Mostly Clear
then Slight
Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 95. Heat index values as high as 106. West wind around 5 mph. Chance of precipitation is 80%.
Showers
Likely then
T-storms
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 70%.
Showers
Likely

 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
T-storms
Likely

 Friday
Night
Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms

 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming north around 5 mph.
Sunny then
Slight Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear
Lo 77 °F Hi 99 °F Lo 78 °F Hi 95 °F Lo 76 °F Hi 93 °F Lo 73 °F Hi 94 °F Lo 74 °F

Heat Advisory
 

Tonight
 
 Mostly clear, with a low around 77. Calm wind.
Wednesday
 
 Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Wednesday Night
 
 A 20 percent chance of showers after 3am. Mostly clear, with a low around 78. South wind around 5 mph.
Thursday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 95. Heat index values as high as 106. West wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 70%.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Friday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Saturday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming north around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 74. Calm wind.
Sunday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 94.
Sunday Night
 
 Mostly clear, with a low around 75.
Monday
 
 A 50 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
 
 Mostly clear, with a low around 75.
Tuesday
 
 A 40 percent chance of showers and thunderstorms. Sunny, with a high near 95.

 

Forecast from NOAA-NWS for Lafayette LA.