National Weather Service Forecast for: Laplace LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 12:01 am CDT Jun 30, 2026
 
Overnight

Overnight: Clear, with a low around 77. South wind around 5 mph becoming calm.
Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind.
Hot

 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 78. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Northwest wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%.
Chance
T-storms then
T-storms
Likely
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 78. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
T-storms
Likely then
Slight Chance
Showers
 Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Chance
T-storms

 Thursday
Night
Thursday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Mostly Clear

 Friday

Friday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 77. Calm wind.
Mostly Clear
Lo 77 °F Hi 96 °F Lo 78 °F Hi 94 °F Lo 78 °F Hi 94 °F Lo 77 °F Hi 94 °F Lo 77 °F

 

Overnight
 
 Clear, with a low around 77. South wind around 5 mph becoming calm.
Tuesday
 
 Sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind.
Tuesday Night
 
 A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 78. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Wednesday
 
 Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Northwest wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
 Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 78. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
 
 Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Friday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph.
Friday Night
 
 Mostly clear, with a low around 77. Calm wind.
Independence Day
 
 A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph.
Saturday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. South wind around 5 mph becoming calm.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph.
Sunday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Laplace LA.