National Weather Service Forecast for: Zachary LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 8:58 am CDT May 26, 2026
 
Today

Today: 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. Mostly cloudy, with a high near 83. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Tonight

Tonight: Mostly cloudy, with a low around 72. Southeast wind around 5 mph.
Mostly Cloudy

 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 84. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
T-storms
 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Showers
Likely

 Thursday

Thursday: Showers and possibly a thunderstorm. High near 82. South wind around 5 mph. Chance of precipitation is 90%.
Showers

 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 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Chance
T-storms then
T-storms
Likely
 Friday
Night
Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
Showers

 Saturday

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning.
Chance
T-storms
Hi 83 °F Lo 72 °F Hi 84 °F Lo 71 °F Hi 82 °F Lo 70 °F Hi 85 °F Lo 71 °F Hi 86 °F

 

Today
 
 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. Mostly cloudy, with a high near 83. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Mostly cloudy, with a low around 72. Southeast wind around 5 mph.
Wednesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 84. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Thursday
 
 Showers and possibly a thunderstorm. High near 82. South wind 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 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning.
Saturday Night
 
 A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Northeast wind around 5 mph.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Zachary LA.