A Flood Watch remains in effect for parts of the Hill Country, southern Edwards Plateau, and Rio Grande Plains through noon Friday. There is the potential for life threatening flooding somewhere in the watch area. Additional rain totals of 2-4 inches with pockets of 8 inches in this region are possible. Stay weather aware and remember to have multiple ways to receive warnings.
Additional rainfall is expected through Friday morning, especially over the southern Edwards Plateau and Rio Grande Plains. Additional rainfall of 2 to 4 inches are possible across broad areas. Isolated additional amounts up to around 8 inches are possible in the highest risk areas. Turn Around, Don't Drown. Have multiple reliable ways to receive warnings and other weather information.
Never underestimate the power of water. Heavy rain can quickly cause flash flooding. Always use caution if camping near a stream, river, or low-lying area.
With more flooding possible late tonight into tomorrow morning on top of the considerable to locally catastrophic flooding experienced across portions of the region over the past two days, staying completely out of floodwaters is critical. Moving or standing water hides a multitude of active, invisible dangers that can lead to serious sickness, injury, or even death. These hidden hazards include displaced animals and stinging insects, active live wires, harmful bacteria, toxic chemicals, raw sewage, and sharp objects or debris hidden just beneath the surface.
Remember the difference between a Flood Watch and a Flash Flood Warning. A Flood Watch means conditions are favorable for Flash Flooding whereas a Flash Flood Warning means dangerous Flash Flooding is imminent or expected shortly.
Tropical moisture will support a threat for flooding rainfall through Friday morning, especially for the southern Edwards Plateau, Rio Grande Plains, and portions of the Hill Country. There is a Level 4 of 4 Risk (High) tonight through Friday morning for flooding rain for portions of the U.S. 90 corridor, west of San Antonio - including the southern Edwards Plateau and Rio Grande and western Hill Country. Considerable to locally catastrophic flash flooding impacts likely in this region. Pockets of an additional 8 inches of rain are possible in this area with broader totals of 2 to 4 inches. Note that this graphic does not include risk for significant floodwaters moving downstream from the heaviest rains.
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