The National Weather Service has issued heat warnings and watches for much of the Midwest and East heading into the holiday weekend. In many places, the temperatures could shatter records.
A huge heat dome is spreading across the United States and it is shattering March temperature records.
After smashing March heat records in 14 states and the U.S. as a whole, the gigantic heat dome that's baked the Southwest is creeping eastward.
In recent years, more homes have added air-conditioning, something that may come in handy this week as some areas are expected to see temperatures 40 degrees above normal.
Record-shattering temperatures are expected to continue on Sunday as a rare and strong early-season heat dome has resulted in triple-digit highs in some parts.
A dangerous and unprecedented heat wave is hitting the West, with temperatures reaching 25-to-40 degrees above normal across the region.
Wednesday was the hottest March day ever in many cities across California, Nevada and Arizona. Phoenix recorded its earliest 100-degree day.
Over the next week, around 800 high temperature records are forecast to be neared, tied or broken at 165 locations in Western and Central states.
Meteorologists are not mincing words in their forecasts for record-high temperatures in California and the desert Southwest.
Soaring temperatures across California and the Southwest are expected to break records for March.