National Weather Service Forecast for: Harvey LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 3:51 am CDT Jun 8, 2025
 
Today

Today: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Mostly Sunny
then Chance
T-storms
 Tonight

Tonight: Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Partly Cloudy

 Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Chance
T-storms
 Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Chance
T-storms
 Tuesday

Tuesday: Showers and possibly a thunderstorm. High near 89. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%.
Showers
Likely then
T-storms
 Tuesday
Night
Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Chance
T-storms
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Showers

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph.
Slight Chance
T-storms
 Thursday

Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
T-storms
Likely
Hi 92 °F Lo 78 °F Hi 91 °F Lo 78 °F Hi 89 °F Lo 76 °F Hi 89 °F Lo 77 °F Hi 89 °F

Heat Advisory
 

Today
 
 A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Monday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
 
 A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Tuesday
 
 Showers and possibly a thunderstorm. High near 89. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 90%.
Tuesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Wednesday
 
 Showers and possibly a thunderstorm. High near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph.
Thursday
 
 Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Thursday Night
 
 A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Friday
 
 Showers and thunderstorms. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph.
Friday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Saturday
 
 Showers and possibly a thunderstorm. Partly sunny, with a high near 90. Southeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Harvey LA.