Severe Weather Threat in Houston: October 2025

Houston and surrounding areas are facing a significant weather threat this weekend, characterized by heavy rainfall, severe thunderstorms, and the potential for flash flooding and tornadoes. The National Weather Service (NWS) has issued multiple alerts, including a flood watch that remains in effect until early Sunday morning, impacting numerous counties across Southeast Texas.

Houston Weather Radar: Flood watch, severe storms, and tornado warnings this weekend— Here’s the full timelineNewsweek260,000 without power in Texas as severe thunderstorms sweep Houston areaAustin American-StatesmanKCEN - Central Texas NewsStorms to bring severe weather, flooding threat from Texas to Louisiana and Arkansas

The severe weather is expected to unfold in two main rounds. The first wave of storms is anticipated to hit early Saturday morning, between 3 a.m. and 9 a.m., bringing heavy rain and high winds. This initial storm front is projected to exit the coast by 1 a.m. Sunday. The second wave is expected to arrive later on Saturday evening, with storms moving in from the northwest between 9 p.m. and 11 p.m. These storms could bring additional hazards, including damaging winds and isolated tornadoes.

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Counties under the flood watch include Austin, Brazoria, Fort Bend, Galveston, Harris, and Montgomery, among others. Rainfall rates in the strongest storms could exceed 2-3 inches per hour, leading to flash flooding, particularly in urban and low-lying areas. The NWS has categorized the flood risk at a level 2 out of 4, indicating a significant concern for localized flooding due to saturated ground conditions from previous dry spells.

Houston Weather Radar: Flood watch, severe storms, and tornado warnings this weekend— Here’s the full timeline

As the storms began to roll in, over 260,000 customers experienced power outages across southeastern Texas, with more than 150,000 outages reported in the Houston area alone. Emergency responders have been on alert for potential water rescues and urban flooding, as reports of inundated roads and stranded vehicles have surfaced. Local authorities have advised residents to avoid non-essential travel during peak rainfall periods.

260,000 without power in Texas as severe thunderstorms sweep Houston area

Some residents have expressed frustration over the lack of preparedness for such severe weather events, especially given the recent history of flooding in the region. Concerns have been raised about the effectiveness of local infrastructure in managing heavy rainfall and the potential for property damage.

Newsweek

The NWS has emphasized the importance of staying informed and prepared. They have urged residents to monitor weather updates and keep emergency kits ready. "Turn around, don’t drown," officials have reminded the public, highlighting the dangers of flooded roadways.

Houston Weather Radar: Flood watch, severe storms, and tornado warnings this weekend— Here’s the full timeline

• “Rainfall rates in the strongest storms could exceed two to three inches per hour, which could lead to flash flooding if these rainfall rates occur for a prolonged period of time.” — National Weather Service

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• “While tornadoes are not expected to be widespread, the setup allows for brief rotations, so it’s crucial residents remain alert to warnings.” — Local Meteorologist

Houston Weather Radar: Flood watch, severe storms, and tornado warnings this weekend— Here’s the full timeline

• “Flooding is a HUGE concern this weekend.” — AccuWeather Meteorologist

KRIV - Fox 26 - Houston

As the storm system progresses, conditions are expected to improve by Sunday, with a cold front bringing cooler and drier weather to the region. Meteorologists predict that temperatures will drop into the 50s by next week, providing a respite from the severe weather. Local authorities continue to monitor the situation closely and are prepared for any necessary emergency responses.

Newsweek