What to know about this week’s heat wave, from heat alerts to when it ends The Washington PostRecord-breaking heat wave will send temperatures soaring for days: Live updates CNNRecord High Temperatures Prevail As Heat Dome Spreads Across The US CleanTechnicaDangerous Heat Wave Builds Over Midwest, Northeast – Videos from The Weather Channel The Weather ChannelHeat Indexes Approach 100 Degrees as Temperatures Rise Across the U.S. The New York Times