Tropical Storm Watches have been issued from Sargent, Texas, to Morgan City, Louisiana, as the first system of the 2026 Atlantic hurricane season, designated as Potential Tropical Cyclone One, threatens the region. The system, located about 65 miles southwest of Corpus Christi, Texas, is expected to strengthen and could become Tropical Storm Arthur by Wednesday (June 17).

According to the National Hurricane Center, the storm is moving northeast at 6 mph with maximum sustained winds of 30 mph. The main threat from this system is heavy rain, with forecasts predicting 4 to 8 inches of rain from the middle and upper Texas coast into Louisiana, southern Mississippi, Alabama, and the western Florida Panhandle through Thursday (June 18). Some areas could see up to 12 inches, leading to life-threatening flash flooding.

The Weather Trader newsletter notes that the system is expected to make landfall along the Texas-Louisiana state line by early Thursday. The storm's eastern side poses the greatest risk, with potential tornadoes across parts of coastal Texas, Louisiana, Mississippi, Alabama, and the Florida Panhandle.

The Climate Impact Company highlights that the heaviest rain and highest winds will likely occur east of the storm's center. The system is expected to organize into a tropical depression by Wednesday morning, with a 60% chance of upgrading to a tropical storm before reaching Galveston Bay.

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