Heat Dome Broils the Western U.S. - NASA Science

Heat Dome Broils the Western U.S.

Map of the United States shaded orange to red, with the deepest red over parts of Montana, Wyoming, and Utah, where air temperatures neared or exceeded 45°C (113°F). Deseret, Sheridan, and Miles City are labeled as sites of all-time record highs.

A ridge of high pressure fueled record-breaking temperatures in Montana, Utah, and Wyoming on July 12, 2026.

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