HOUSTON – For the first time this Atlantic hurricane season, the National Hurricane Center is monitoring a system with a realistic chance of becoming a named tropical storm.
A disturbance currently located over northeastern Mexico is expected to move toward the northwestern Gulf over the next couple of days. Right now, the National Hurricane Center gives it a 50% chance of development over the next seven days.
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The opportunity for development appears to be relatively brief. While the disturbance remains inland over Mexico, tropical development is not expected. The system’s best chance to organize would come after it emerges over the Gulf sometime late Tuesday or Wednesday. Even then, environmental conditions are only marginally favorable, and the system is expected to continue moving east toward Louisiana rather quickly.
That means it has a fairly narrow window — likely late Wednesday into Thursday — to strengthen enough to become a tropical storm. If that happens, it would be named Arthur, becoming the first named storm of the 2026 Atlantic hurricane season.
But honestly, whether this system gets a name isn’t the biggest concern for Southeast Texas. The bigger story is the rain. A Flood Watch remains in effect for all of Southeast Texas through 7 a.m. Thursday as a prolonged period of heavy rainfall unfolds across the region.
Unlike a typical summer thunderstorm pattern, this setup will feature multiple rounds of tropical rainfall moving across Southeast Texas over several days. A stalled front draped across the region will act as a focus for repeated showers and thunderstorms, while deep tropical moisture streaming north from the Gulf provides an abundant supply of fuel for heavy rain production.
The greatest flood threat is expected from Tuesday through Thursday, when repeated rounds of heavy rain may move over the same locations. Rainfall rates could exceed 2 to 4 inches per hour at times, overwhelming drainage systems and leading to flash flooding with little warning. While not everyone will experience flooding, any area caught beneath persistent rain bands could see rapidly deteriorating conditions.
Most of Southeast Texas is forecast to receive 3 to 7 inches of rainfall through the end of the week, but localized amounts of 10 inches or more are possible where the heaviest rain repeatedly falls. The exact location of those higher totals remains uncertain and will likely shift as new forecast data becomes available. Residents should remain weather aware, closely monitor forecast updates, and avoid driving through flooded roadways. Remember: Turn Around, Don’t Drown. Even a small amount of moving water can sweep away a vehicle.
If flooding develops in your area, we’d love to see what you’re seeing. If you can do so safely, submit photos and videos through Click2Pins to help us track conditions across Southeast Texas. Your reports help our weather team identify areas experiencing flooding and may be featured on-air, online, or on our social media platforms. However, no photo or video is worth risking your safety.