Dangerous heat wave in the West is already breaking records and the temperatures could get worse CBS NewsSummer’s first major heat wave scorches western U.S. with dangerous heat The Washington PostDangerous Heat Dome Scorches Western US This Week – Videos from The Weather Channel The Weather ChannelDangerous heatwave hits US from Texas to California with grim records expected The GuardianExtreme early-summer heatwave peaks in western US Yahoo! Voices