National Weather Service Forecast for: Laplace LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 10:21 am CDT May 26, 2026
 
Today

Today: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
T-storms
Likely
 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
T-storms
Likely

 Wednesday
Night
Wednesday Night: Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Showers then
Chance
Showers
 Thursday

Thursday: Showers and possibly a thunderstorm. High near 83. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Showers then
T-storms

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Chance
T-storms

 Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Chance
T-storms then
Showers
Likely
Hi 84 °F Lo 75 °F Hi 86 °F Lo 74 °F Hi 83 °F Lo 72 °F Hi 84 °F Lo 73 °F Hi 86 °F

 

Today
 
 Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 84. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Wednesday
 
 A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
 
 Showers and possibly a thunderstorm. High near 83. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Thursday Night
 
 A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.
Friday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Saturday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
 
 A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm.
Sunday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph.
Sunday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

 

Forecast from NOAA-NWS for Laplace LA.