National Weather Service United States Department of Commerce

Extremely Dangerous Heat in the Western U.S. through Saturday; Heat Spreads East into Next Week

Extremely dangerous heat continues in the Western U.S. through Saturday with widespread Excessive Heat Warnings and Heat Advisories. Hazardous heat will expand over much of the central and eastern U.S. late this weekend into next week. Confidence is increasing in extremely dangerous heat, particularly for urban areas in the Southeast and East Coast beginning Monday. Read More >

Thunderstorm development will pose a risk of dangerous outflow winds striking Lake Mead, Mohave, and Havasu this evening and tomorrow afternoon and evening. Be prepared to get off the lakes immediately, know where to find shelter, and have a way to receive weather alerts! Strong winds may occur well in advance of any thunder or lightning.