Flash Flooding ongoing in parts of Bexar County

A Flash Flood Warning is in effect Tuesday Morning

In some spots, more than 7 inches of rain has fallen Tuesday morning. (Copyright 2021 by KSAT - All rights reserved.)

SAN ANTONIOUPDATE: As of Tuesday morning, pockets of up to 7 inches of rain have fallen in west and northwest Bexar County, leading to dangerous flash flooding.

Watch storms develop, move through San Antonio and South Texas with a live, updating Doppler radar.

Flood Safety

It is never a good idea to drive during a flash flood warning. If you can stay home during a flash flood event, please do. Just 6 inches of rushing water can knock down a person, and 12 inches of rushing water will sweep away most cars. If you come across a flooded road, remember: TURN AROUND, DON’T DROWN

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(Original Story)

The city of San Antonio usually by July has already reached its first 100 degree day. This year, an unusually wet summer weather pattern will bring daily rain chances for the first full week of July and keep temperatures cooler than average. Here is what you need to know:

  • A low pressure system will produce daily scattered showers and storms through the end of the week.
  • Most will experience heavy rain with lightning, producing 1.00″ to 3.00″ of rainfall. This could lead to minor flooding.
  • A few folks will receive very heavy rains - leading to some spots of 5.00+″ of rain by the end of the week. That would likely prompt flash flood warnings.

Weather Safety

You’ve probably heard the KSAT Weather Authority Team say, “When thunder roars, go indoors!” With storms in the forecast over the next few days, you’ll need to be ready to move your summer outdoors plan indoors for a period of time. Remember: if you can hear thunder, you’re close enough to be struck by lightning.

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MAP: Current power outages in Bexar County

Map: Emergency road closures at low water crossings in San Antonio, Bexar County

Avoid these notorious roadways prone to flooding during heavy rain in San Antonio

Stay Weather-Aware

To keep up with the weather, you can download the KSAT Weather Authority app for Apple or Android and allow notifications for updates - including livestreams from KSAT meteorologists.

Want to share weather pictures with KSAT12′s meteorologists? Submit photos and videos here, and your submission may get featured on KSAT.com or on air.


About the Authors:

Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017. Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KETN News. When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.

Katelyn Simonsen is a weather intern for KSAT news and a current meteorology student at The University of the Incarnate Word. Born and raised in south-central Texas, Katelyn's love for meteorology started as a young girl fascinated by extreme Texas thunderstorms. Since then, she's had a passion for watching the sky.