NEW ORLEANS — WWL-TV Morning Meteorologist Dave Nussbaum

A tropical wave will move over Louisiana today and an upper-level low will sit over the northern Gulf of Mexico the next few days.  These systems will increase the chance for heavy rain the next few days. Expect to see scattered storms starting now and continue through the afternoon hours. Some of the rain will be heavy at times, so watch out for street flooding. High temperatures will be in the upper 80s thanks to the rain and clouds. Spotty showers will continue tonight. 

Weekend Forecast: The deep tropical moisture from the wave will be over us all weekend. The upper-level low will sit just off our coast and it will help to set off more scattered storms with heavy rain on Saturday and Sunday. We could pick up 2-4"+ of rain over the weekend. Rainfall rates will be around 1-2" per hour and that could lead to some street flooding issues. Stay weather aware and if you are in a flood-prone area be ready to move your car. High temperatures will be in the 80s all weekend. 

Next Week: We will still have a threat for some heavy rain on Monday as the upper-level low moves east of Louisiana. Then we return to more typical late-August weather the rest of the week with daily scattered storms and highs in the 90s.

In the tropics: Tropical Depression Chantal is of no concern to land and will dissipate soon. The tropical wave headed our way will not develop. Lastly, an area of low pressure between the Bahamas and Florida now has a medium chance (60%) of becoming a tropical depression as it sits off the east coast of Florida and the SE U.S. This is not a threat to the Gulf.  Forecast models are starting to hint at a wave traversing the Gulf by the end of next week and into the Labor Day weekend. Wind shear may prevent this from doing anything, but plenty of time to watch.

Click here for the full Tropical Weather Update.

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DETAILED FORECAST:

FRIDAY:
Mostly cloudy, warm and more humid with a 60% chance for showers and storms. Some heavy rain likely, so watch out for street flooding. Highs around 88. Wind S 5-10 mph.

TONIGHT:
Mostly cloudy with a 30% chance for spotty showers and storms. Lows around 78. Wind S 3-5 mph.

SATURDAY:
Mostly cloudy and very humid with a 70% chance for heavy rain and storms. Some flooding possible. Highs around 87. Wind S 5-10 mph. 

SUNDAY:
Sun/cloud mix, warm and humid with a 60% chance for heavy rain and storms. Some flash flooding possible. Lows around 77. Highs around 89. 

MONDAY:
Sun/cloud mix, warm and humid with a 60% chance for heavy rain and storms. Some flash flooding possible. Lows around 78. Highs around 89. 

TUESDAY:
Partly cloudy, hot and humid with a 40% chance for scattered showers and storms. Lows around 79. Highs around 92.  

WEDNESDAY:
Partly cloudy, hot and humid with a 40% chance for scattered showers and storms. Lows around 79. Highs around 92.  

THURSDAY:
Partly cloudy, hot and humid with a 40% chance for scattered showers and storms. Lows around 79. Highs around 92.

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