Downpours are expected in Houston on Friday as a tropical disturbance along the northern coast of the Gulf of Mexico stalls without strengthening.

A disorganized low-pressure area off Florida is showing increasing chances of becoming a tropical depression or tropical storm this week.

It may or may not develop into a tropical depression, but the system will bring rains and the possibility of flooding. Here's the forecast for New Orleans, Baton Rouge and Lafayette.

A tropical disturbance could form this week in the Gulf of Mexico and plentiful moisture will mean continued downpours for the Houston area.

The "reasonable worst-case scenario" is for flooding across lower Acadiana where there's potential for 10-15 inches of rainfall over a 72-hour period, Donald Jones, meteorologist with the National Weather Service in Lake Charles said in a social media update Tuesday afternoon.

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Low pressure is expected to emerge over the Gulf of Mexico this week and it may move into a favorable environment for tropical cyclone development.

Invest 93L could become a tropical depression as it moves across Florida into the Gulf. See latest spaghetti models.