National Weather Service Forecast for: Zachary LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:15 am CDT Jul 10, 2026
 
Today

Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. South wind around 5 mph.
Chance
T-storms

 Tonight

Tonight: Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Saturday

Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Sunny then
Chance
T-storms
 Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Slight Chance
T-storms then
Mostly Clear
 Sunday

Sunday: A chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Chance
T-storms then
T-storms
 Sunday
Night
Sunday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 75. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
T-storms then
Chance
Showers
 Monday

Monday: Showers before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 85. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 100%.
Showers then
T-storms

 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Chance
T-storms

 Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Showers
Likely then
T-storms
Likely
Hi 93 °F Lo 76 °F Hi 94 °F Lo 76 °F Hi 91 °F Lo 75 °F Hi 85 °F Lo 72 °F Hi 84 °F

 

Today
 
 A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. South wind around 5 mph.
Tonight
 
 Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 94. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
 
 A chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
 
 Showers and thunderstorms before 4am, then a chance of showers. Low around 75. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Monday
 
 Showers before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 85. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 100%.
Monday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Tuesday 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.
Wednesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 74. West wind around 5 mph becoming calm.
Thursday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Zachary LA.