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Dangerous heat wave is building, will bring oppressive temperatures to much of the United States
By Patrick Whittle And Tammy Webber, Associated Press at KSAT 12 (ABC affiliate)
· July 11, 2026
· 3 min read
A widespread and dangerous heat wave is building across the U.S., with triple-digit highs expected in the Southwest and Great Plains this weekend before spreading eastward under a dome of high pressure that meteorologists say could trap oppressive temperatures for a week or more.Forecasters are a...
Key takeaway “The heat doesn’t necessarily stop when it’s dark out,” said Josh Adam, a meteorologist with the National Weather Service in Bismarck, North Dakota, where temperatures will surpass 100 F (37 C) until Tuesday.
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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: library ·
Published: July 11, 2026 ·
Source: KSAT 12 (ABC affiliate) ·
Reading time: 3 min
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Frequently asked about this story
What is this story about? A widespread and dangerous heat wave is building across the U.S., with triple-digit highs expected in the Southwest and Great Plains this weekend before spreading eastward under a dome of high pressure that meteorologists say could trap oppressive temperatures for a week or more.Forecasters are a...
When was this published? This article was first published on July 11, 2026 by KSAT 12 (ABC affiliate) and curated for The San Antonio readers.
Who reported this story? This story was reported by Patrick Whittle And Tammy Webber, 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 library coverage from The San Antonio, or browse our daily briefing and topic hubs .
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