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Tropical Storm Arthur Is Gone — But the Flooding Threat for the Gulf Coast Is Just Getting Started

Christy Bowen

2 days ago
GOES GeoColor satellite image captured at 10:51Z on June 18, 2026, showing the remnants of Tropical Storm Arthur's circulation pushing inland across the Gulf South toward the Southeast United States, with a separate storm system visible over the Midwest and Ohio Valley and cloud cover extending along the entire Eastern Seaboard.
Arthur's remnants push inland across the Gulf South on Thursday morning, June 18, 2026, bringing days of flash flooding, river flooding, and isolated tornado risks to the Gulf Coast and Southeast. (NOAA/NESDIS)

Tropical Storm Arthur came ashore in Texas on Wednesday, becoming the first named storm of the season for the Atlantic basin. While Arthur devolved into a post-tropical cyclone by the end of the day, it is still packing a good deal of moisture capable of unleashing flash flooding across a large swath of the Gulf Coast and the Southeast. Here is the latest on this tropical weather situation in the southern U.S.

Arthur Makes Landfall as Tropical Storm in Texas

After briefly intensifying into a tropical storm, Arthur made landfall on Wednesday afternoon to the northeast of Matagorda Bay. The storm continued to push inland as the day progressed, losing a good deal of wind intensity despite bringing heavy rain to Texas and beyond. The latest forecast models signal that the feature will arrive in the Southeast by Thursday.

Weather Prediction Center national forecast map valid 8 AM EDT Thursday June 18 through 8 AM EDT Friday June 19, 2026, showing heavy rain and flash flooding possible across the Gulf Coast from Louisiana through Alabama and Georgia, severe thunderstorms possible along the Northeast I-95 corridor, and additional storm activity over portions of Oklahoma and Arkansas as the remnants of Tropical Storm Arthur continue tracking inland across the Southeast.
Thursday's WPC forecast map shows Arthur's remnants driving heavy rain and flash flooding across the Gulf South while a separate cold front triggers severe thunderstorms along the Northeast I-95 corridor. (NOAA/WPC)

Forecasters warn that what is left of Arthur will continue to pummel the South with the threat of torrential rain, flash flooding, and possible tornadic activity through Friday.

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tropical storm arthurarthur will continue to raise risk of floodinghouston floodingimpacts of arthur on the gulf coast and the south

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