local
Meteorologists warn week ahead in US will have dangerous temps: 'Heat is not to be played with'
By Seth Borenstein, Associated Press at KSAT 12 (ABC affiliate)
· July 10, 2026
· 5 min read
Most of America's Lower 48 states are about to swelter under an unusually large, strong and long-lasting heat dome that will spike temperatures in a way that the National Weather Service calls “significant and dangerous.”The heat wave will start this weekend and last at least a week, with some ar...
Key takeaway While it will initially miss the East Coast, the heat dome will shift and wobble, maybe even spreading from coast-to-coast over the next 10 days or more, they said.
Why this matters in The San Antonio
San Antonio residents should prepare for a prolonged period of extreme heat, as the impending heat dome is expected to bring temperatures significantly higher than normal. The city's already vulnerable populations, such as the elderly and those without access to air-conditioned spaces, will be particularly at risk. With nighttime temperatures also expected to be warmer than usual, the body's ability to recover from the daytime heat will be hindered, increasing the risk of heat-related illnesses. Local health officials and emergency services should be on high alert, ready to respond to potential heat emergencies. Additionally, residents should take precautions to stay cool and hydrated, and check in on neighbors who may be more susceptible to the heat. The heat wave's impact on the city's already active wildfire season is also a concern, and local fire departments will need to be vigilant in their efforts to prevent and respond to wildfires.
About this story
Original reporting by KSAT 12 (ABC affiliate) . The San Antonio surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit KSAT 12 (ABC affiliate) . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 10, 2026 ·
Source: KSAT 12 (ABC affiliate) ·
Reading time: 5 min
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Frequently asked about this story
What is this story about? Most of America's Lower 48 states are about to swelter under an unusually large, strong and long-lasting heat dome that will spike temperatures in a way that the National Weather Service calls “significant and dangerous.”The heat wave will start this weekend and last at least a week, with some ar...
When was this published? This article was first published on July 10, 2026 by KSAT 12 (ABC affiliate) and curated for The San Antonio readers.
Who reported this story? This story was reported by Seth Borenstein, Associated Press at KSAT 12 (ABC affiliate). To learn more about how The San Antonio selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The San Antonio, or browse our daily briefing and topic hubs .
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