Tropical moisture volition coincide with slow-moving frontal boundary, bringing a hazard for flash flooding Wednesday nighttime done Thursday greeting

A Flash Flood Watch volition  beryllium  successful  spot  done  Thursday evening for the counties successful  green

A Flash Flood Watch volition beryllium successful spot done Thursday evening for the counties successful green (Copyright 2021 by KSAT - All rights reserved.)

SAN ANTONIO – This week volition springiness america a afloat spectrum of weather, from fronts to tropical systems and dense rainfall. We’ll beryllium updating you often done our KSAT Weather app arsenic the lawsuit unfolds. Here’s what you request to know:

The Setup & Threats

  • The biggest crushed we are acrophobic astir dense rainfall is owed to Hurricane Pamela, which made landfall on the occidental Mexican seashore Wednesday. The quick-moving strategy volition contention implicit the mountainous terrain of Mexico towards Texas by Wednesday nighttime and into Thursday morning. While Pamela volition suffer its spot implicit Mexico, it volition bring affluent Pacific moisture to South Central Texas.

Hurricane Pamela volition autumn isolated implicit the mountains of Mexico, but volition bring TONS of Pacific moisture to South Central Texas Wednesday nighttime done Thursday (Copyright 2021 by KSAT - All rights reserved.)
  • As the tropical moisture combines forces with the frontal bound Wednesday nighttime and Thursday morning, dense rainfall volition go a menace for the area. As of now, the champion accidental for dense rainfall volition proceed to beryllium crossed the Edwards Plateau and Hill Country, chiefly westbound of I-35. Still, San Antonio could spot steadfast rainfall totals - particularly by aboriginal Thursday morning. As a result, a Flash Flood Watch volition beryllium successful spot until Thursday evening.

While the dense rainfall volition autumn Wednesday night, rainfall imaginable implicit the adjacent 48 hours shows that immoderate areas could person much respective inches of rain (Copyright 2021 by KSAT - All rights reserved.)
  • Along with dense rain, immoderate storms could beryllium beardown to terrible with upwind gusts up to astir 50 mph and immoderate little rotation. However, ample hail is not a concern.

The biggest menace from storms Wednesday nighttime volition beryllium heavy, flooding rain (Copyright 2021 by KSAT - All rights reserved.)

Timeline

  • Storms volition statesman to summation successful sum and strength Wednesday evening westbound of San Antonio & I-35

  • Wednesday night, wide thunderstorms with dense rainfall volition capable successful implicit the I-35 corridor and - perchance - San Antonio.

  • By the morning commute connected Thursday, the heaviest rainfall volition beryllium shifting eastbound of I-35 and distant from San Antonio. However, determination could beryllium lingering issues and precocious h2o spots.

  • Rain volition extremity from westbound to eastbound connected Thursday, arsenic the remnants of Pamela determination away.

  • The slow-moving acold beforehand volition yet surge done the full country on Friday. Behind the front, expect gusty winds, cooler temperatures, and drier air.

  • The weekend looks beautiful. It volition beryllium a spot breezy connected Saturday, however, it’ll beryllium sunny and highs volition lone beryllium successful the 70s! Overnight lows could dip into the 40s successful galore spots.

The latest readying forecast for the San Antonio area (Copyright 2021 by KSAT - All rights reserved.)

Stay In-The-Know

To support up with the section upwind forecast, download the KSAT Weather Authority app for Apple oregon Android. Be definite to let notifications for updates - including livestreams from KSAT meteorologists.

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Copyright 2021 by KSAT - All rights reserved.


About the Authors:

Justin Horne is simply a meteorologist and newsman for KSAT 12 News. When terrible upwind rolls through, Justin volition hop successful the KSAT 12 Storm Chaser to safely bring you the latest upwind conditions from crossed South Texas. On apical of delivering an close forecast, Justin often reports connected 1 of his favourite topics: Texas history.

Sarah Spivey is simply a San Antonio autochthonal who grew up watching KSAT agelong earlier she began to deliberation astir a vocation successful television.