Houston Under Flood Watch for Memorial Day Weekend Amid Heavy Rain Threat
Houston Under Flood Watch for Memorial Day Weekend Amid Heavy Rain Threat
US · Published May 22, 2026
Coastal counties in Southeast Texas, including the Houston metro area, are under a flood watch through Monday morning, according to the National Weather Service (NWS). The region is expected to experience multiple rounds of thunderstorms over the Memorial Day weekend, with the heaviest rainfall likely near and south of Interstate 10 and east of Interstate
An upper-level trough moving across Texas will create favorable conditions for showers and thunderstorms, particularly on Saturday and Sunday. Rainfall amounts could reach up to 2 inches in some areas, with localized flash flooding possible. Forecasters note some uncertainty regarding the exact placement of the heaviest storms, which could shift northward or offshore. Rain activity is expected to decrease Friday evening but may intensify again over the weekend.

Why It's Important?

The primary risks associated with this weather system include heavy rainfall and flash flooding, particularly in low-lying and flood-prone areas. While the storms are not expected to reach severe levels, the saturated ground and additional rainfall could exacerbate flooding concerns. Residents in coastal counties south of Interstate 10 and west of Interstate 45 should remain vigilant, as these areas are currently at the highest risk. The Brazos Valley and Piney Woods regions may also see storm activity, depending on how the system evolves.

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