Heat Dome Triggers Record Temperatures Across U.S. Plains and Northeast
Heat Dome Triggers Record Temperatures Across U.S. Plains and Northeast
US · Published Jul 13, 2026
A massive heat dome is causing extreme temperatures across the United States, impacting approximately 100 million people this week.
Record-breaking heat has been reported in several areas, including Billings, Montana, which reached 111°F (43.9°C) on Sunday, and Salt Lake City, Utah, which hit an all-time high of 109°F (42.8°C).

Impact & Risks

The heat wave poses significant risks to public health and safety, particularly for vulnerable populations such as the elderly, children, and those with pre-existing health conditions. Prolonged exposure to high temperatures increases the likelihood of heat-related illnesses, including heat stroke. Wildfire risks are also heightened, as seen in California's Summit Fire, which has burned nearly 3,000 acres. Additionally, heavy rain and flooding in the South, including Louisiana and Missouri, have caused widespread disruptions, with hundreds of people requiring rescue. The combination of extreme heat and severe weather events underscores the need for heightened vigilance and preparedness.

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