Houston-Galveston Weather: Tropical Rain Chances Climb as Gulf System Nears, 30% Development Through Sunday

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Houston, Texas – Residents across Southeast Texas should prepare for increased rain and humidity late this week as a tropical disturbance tracks from Florida into the north-central Gulf. The National Hurricane Center is giving this system a 30% chance of developing into a tropical cyclone over the next seven days, with local impacts possible by Friday.

According to the National Weather Service Houston-Galveston, the area of low pressure is expected to move westward across Florida before entering the Gulf of Mexico by late Tuesday. Forecasters say that while significant tropical development remains uncertain, Southeast Texas—including Houston, Galveston, and surrounding counties—could see heavier downpours and higher moisture levels from Friday into the weekend.

Major roadways such as I-45 and I-10 may experience localized flooding if rain bands become persistent. Emergency officials advise residents to monitor updates and prepare for changing weather conditions, especially in flood-prone neighborhoods. “Stay off the roads during heavy rain, and have a plan if power outages occur,” officials recommend.

This system marks the first notable tropical activity near Texas this July, though 2025 hurricane season activity has so far stayed east of the state. If conditions change, further watches or warnings may be issued later this week.

Warnings remain in effect for increased rainfall potential through Sunday. More updates will follow as this system develops.

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