Texas flood dangers grow as more torrential downpours approach

Rounds of torrential rain will continue to pose a threat to various parts of Texas through Thursday night, with localized rainfall reaching a foot or more capable of inundating roads, homes, and low-lying areas, posing a significant risk for life-threatening flash flooding.

In a statement, Alex Sosnowski, a senior meteorologist at AccuWeather, explained: "The threat for flash flooding will persist throughout the region, as intense rainfall and rapid runoff will make it challenging for storm drains to keep up."

Torrential rainfall and resulting flash flooding have already caused significant chaos in parts of northwestern Louisiana, including the city of Bossier, on July 13. Several vehicles were spotted navigating through deep floodwaters as they traversed multiple streets, underscoring the potential dangers presented by heavy rainfall.

Rain showers, accompanied by heavy downpours, are in the forecast for parts of Texas through Thursday night, elevating the risk of life-threatening flash flooding, property damage, and disruptions to daily life, travel plans, and outdoor activities.

Since the start of the week, various parts of Texas have witnessed significant rainfall, with several inches falling in the regions surrounding the Big Bend and Rio Grande. As of Tuesday morning, top 24-hour rainfall totals in Texas included 9.68 inches near Sheffield, 5.77 inches in Galveston, and 3.22 inches in Kerrville.

According to AccuWeather meteorologist Breanna Gill, radar estimates and gauge readings indicate that 5-7 inches of rain have accumulated in western Texas, particularly in the Hill Country near San Antonio. This has prompted the issuance of flash flood emergencies in the affected areas, emphasizing the need for residents to remain vigilant.

Extensive pavement and limited open spaces in central and western Texas will facilitate rapid runoff during heavy downpours, further increasing the likelihood of flash flooding. In comparison, a similar weather pattern observed in southern Louisiana several days prior led to severe flooding in New Orleans, as intense rainfall overwhelmed the city's pumping system, underscoring the potential risks associated with this scenario.

Forecasted rainfall totals for the region, spanning Monday evening through Thursday night, are expected to range from 4-8 inches. However, localized amounts could reach 8-12 inches, with an AccuWeather Local StormMax of 24 inches. These totals are equivalent to those encountered with a stalled tropical depression or tropical storm and are driven by a combination of tropical moisture, a stalled front, and a weak disturbance in the jet stream.

Furthermore, rainfall rates of 2-4 inches within an hour are anticipated in certain locations, potentially overwhelming storm drains and triggering rapid rises on creeks, rivers, and normally dry streambeds, highlighting the need for caution.

A similar situation led to significant loss of life and extensive property damage along the Guadalupe River on July 4, 2025. Later, the weather pattern in central Texas will begin to break apart, leading to changes in the forecasted rain distribution.

One corridor of heavy rain is anticipated to extend from central and northern Florida into the Carolinas, while an alternative area of heavy rainfall may develop from north-central Mexico into the interior Southwest. However, isolated thunderstorms could still generate highly localized flash flooding across parts of Texas during the weekend.

Motorists are advised never to drive through flooded roads, as the water may be deeper than expected and cause a vehicle to stall, float, or suffer severe electrical damage. Rising water can quickly submerge a vehicle, and the road beneath may have been washed away.

For enhanced safety, advanced severe weather alerts are available on the AccuWeather app by subscribing to Premium+. AccuWeather Alerts are prompted by our expert meteorologists monitoring and analyzing threats from dangerous weather 24/7 to keep you and your family safer.