National Weather Service Forecast for: Laplace LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:15 am CDT Jul 10, 2026
 
This
Afternoon
This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 91. Heat index values as high as 107. Southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Slight Chance
T-storms then
Mostly Clear
 Saturday

Saturday: Showers and thunderstorms likely, mainly between 3pm and 5pm. Increasing clouds, with a high near 93. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
T-storms
Likely
 Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 78. South wind around 5 mph becoming calm.
Chance
T-storms then
Mostly Clear
 Sunday

Sunday: Showers and thunderstorms, mainly after 1pm. High near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Chance
T-storms then
T-storms
 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Chance
T-storms

 Monday

Monday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 100%.
T-storms

 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Chance
T-storms

 Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West wind around 5 mph.
Showers
Likely
Hi 91 °F Lo 78 °F Hi 93 °F Lo 78 °F Hi 91 °F Lo 76 °F Hi 87 °F Lo 74 °F Hi 87 °F

 

This Afternoon
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 91. Heat index values as high as 107. Southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Saturday
 
 Showers and thunderstorms likely, mainly between 3pm and 5pm. Increasing clouds, with a high near 93. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 78. South wind around 5 mph becoming calm.
Sunday
 
 Showers and thunderstorms, mainly after 1pm. High near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Monday
 
 Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 100%.
Monday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West wind around 5 mph.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. West wind around 5 mph becoming calm.
Wednesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northwest around 5 mph.
Wednesday Night
 
 Partly cloudy, with a low around 76. West wind around 5 mph becoming calm.
Thursday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph.

 

Forecast from NOAA-NWS for Laplace LA.