Potential Tropical Cyclone is forecast to strengthen into a tropical storm later today into early Wednesday as an area of low pressure skirts along the coast of Texas.

Tropical Storm Watch up from Sargent, Texas to Morgan City, Louisiana. Storm surge of 2-4′ above ground is possible along and east of the storm. Surge of 1-3′ is forecast for other areas of TX and LA.

This will be a weak tropical system but heavy rain & flash flooding will be impactful either way for Texas, Louisiana, Mississippi & Alabama. 4-8″ of rainfall is possible with isolated areas getting a foot of rain.

It’s currently called Potential Tropical Cyclone One meaning nothing has officially formed but tropical storm conditions are expected within 48 hours.

The first invest of the Atlantic hurricane season has been tagged in the NW Gulf. The area has a 40% chance to develop over the next 2 days and 50% over the next 7 days.

A disturbance over eastern Mexico will emerge in the northwestern Gulf and may find a window of weak wind shear and favorable conditions to become a short-lived depression or storm.

The main impact will be periods of heavy rain, gusty coastal winds, and flash flooding through Friday across the Gulf state and parts of the southeast.

Regardless of tropical development, flooding rains are a concern across several states.

Late Tuesday into Wednesday is the most the likely window for Invest 90L to form as it continues to pull deep tropical moisture into the south.

Arthur is the first name on the 2026 Atlantic hurricane season list.