Heat Waves NewsLatest News On Heat Waves Unprecedented Weather Extremes Pose Increasing Danger, Scientists Warn3/30/2026 4:27 AM Climate Change Fuels Unprecedented Extreme Weather, Increasing Danger3/30/2026 1:56 AM Heat dome is still sizzling Southwest. The Midwest is next3/23/2026 2:25 PM Spring still feeling like summer in parts of Southwest US3/21/2026 1:16 PM Extreme heat across the US in 4 graphics3/20/2026 1:21 PM Scientists say blistering Southwest heat is latest in parade of ultra extremes3/20/2026 1:36 AM North Shore, California, ties US temperature record for March3/18/2026 9:35 PM Photos show Bay Area sizzling as unseasonable warmth grips the U.S. West3/17/2026 6:00 PM San Francisco sizzles in March as a winter heat wave bakes the US West3/17/2026 4:22 PM Heat wave is altering MLB Cactus League schedule3/16/2026 3:37 PM