Millions of Americans gathering to celebrate the country’s 250th birthday are expected to be under what meteorologists call a heat dome, ensuring that this Fourth of July weekend will be a dangerously hot one. This heat dome is expected to stretch across most of the East Coast and across the South and part of the…
US PoliticsNorth America
How a heat dome works
The Hill
July 2, 2026 at 4:09 PM
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Millions of Americans gathering to celebrate the country’s 250th birthday are expected to be under what meteorologists call a heat dome, ensuring that this Fourth of July weekend will be a dangerously hot one. This heat dome is expected to stretch across most of the East Coast and across the South and part of the…