National Weather Service Forecast for: Hammond LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 2:01 am CDT Jun 30, 2026
 
Today

Today: Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming south around 5 mph.
Hot

 Tonight

Tonight: A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Mostly Clear
 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. 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
 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 76. East wind around 5 mph becoming calm.
Chance
Showers then
Mostly Clear
 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm.
Mostly Clear

 Friday

Friday: Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph.
Hot

 Friday
Night
Friday Night: Mostly clear, with a low around 76. Calm wind.
Mostly Clear

 Independence
Day
Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Chance
T-storms
Hi 97 °F Lo 77 °F Hi 94 °F Lo 76 °F Hi 94 °F Lo 74 °F Hi 95 °F Lo 76 °F Hi 95 °F

Heat Advisory
 

Today
 
 Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming south around 5 mph.
Tonight
 
 A slight chance of showers and thunderstorms between 8pm and 9pm. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 20%.
Wednesday
 
 Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 76. East wind around 5 mph becoming calm.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm.
Friday
 
 Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph.
Friday Night
 
 Mostly clear, with a low around 76. Calm wind.
Independence Day
 
 A chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 76. Calm wind.
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 75. Calm wind.
Monday
 
 Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Hammond LA.