local
Heat dome to scorch major U.S. cities this week. Maps show the forecast and warnings.
By CBS Texas at CBS Texas (KTVT) DFW
· June 30, 2026
· 5 min read
A long and dangerous heat wave will blast a large swath of the United States this week, the National Weather Service said, with temperatures rising ahead of the July Fourth holiday and feeling even hotter because of the high humidity that's arriving with it.The heat dome is expected to build over...
Key takeaway , among cities expected to see record highs into the 100s, according to CBS News meteorologist Nikki Nolan.
Why this matters in Southlake News
For Southlake residents, the impending heat wave poses a significant threat, particularly with the heat index expected to reach triple digits. As the city gears up for outdoor Fourth of July celebrations, residents should be aware of the dangers of heat exhaustion and take necessary precautions. The extreme heat warnings in effect for major cities in the central part of the U.S. serve as a warning for Southlake, which can expect similarly high temperatures. Residents are advised to stay hydrated, stay indoors during the hottest parts of the day, and check on vulnerable neighbors, such as the elderly and young children. The city's public safety officials will likely be on high alert, and residents should be prepared for possible heat-related emergencies. With the heat wave expected to last into next weekend, Southlake residents should plan accordingly and take steps to protect themselves and their loved ones from the extreme heat.
About this story
Original reporting by CBS Texas (KTVT) DFW . Southlake News 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 CBS Texas (KTVT) DFW . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: June 30, 2026 ·
Source: CBS Texas (KTVT) DFW ·
Reading time: 5 min
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Frequently asked about this story
What is this story about? A long and dangerous heat wave will blast a large swath of the United States this week, the National Weather Service said, with temperatures rising ahead of the July Fourth holiday and feeling even hotter because of the high humidity that's arriving with it.The heat dome is expected to build over...
When was this published? This article was first published on June 30, 2026 by CBS Texas (KTVT) DFW and curated for Southlake News readers.
Who reported this story? This story was reported by CBS Texas at CBS Texas (KTVT) DFW. To learn more about how Southlake News selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from Southlake News, or browse our daily briefing and topic hubs .
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