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A heat dome is building over the western U.S., and temperatures are expected to reach up to 119 degrees in some areas.

The extreme heat is expected to worsen wildfire conditions in California, Arizona, and Utah.

Staying hydrated, avoiding outdoor activity during peak hours, and checking on vulnerable neighbors are crucial precautions during extreme heat.

A heat dome developing over the western U.S. could shatter temperature records this week, with highs reaching up to 119 degrees in parts of California.

In the coming days, strong high pressure will build throughout the atmosphere over the interior Southwest. This sinking air suppresses rainfall and intensifies heat, especially as the dry ground bakes under the sun.

The extreme heat is expected to worsen conditio

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