LiveNOW from Fox · updated 2026-07-11

Heat Dome Scorches the Intermountain West

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“HEAT DOME SCORCHES THE INTERMOUNTAIN WEST”

covered 2026-07-11 ▶ Be on the air with LiveNOW from Fox

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A heat dome can trap hot air for days, pushing temps 20–30°F above normal.

Heat domes form when high-pressure systems act like a lid, forcing hot air downward. Intermountain West cities like Phoenix and Las Vegas activate 100+ cooling centers, offering refuge to thousands of vulnerable residents during these events.

The U.S. has no federal law specifically protecting workers from extreme heat.

Despite deadly heat waves, OSHA still lacks a permanent heat standard. The Intermountain West's heat dome renews pressure for legal protections. Learn more at Weather.gov

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