California, Southwest To Swelter Under Record-Setting Heat WaveUS Pummeled By Snow, High Winds Raise Tornado ThreatAll 50 US States Could Face Extreme Weather Including Blizzard, Heat DomeTwo Killed By Severe Storms As Tornado Threat Continues To Loom For MidwestMillions Facing Tornado Threats As More Severe Storms Move Across The USMassive Winter Storm Could Dump Up To 4 Feet Of Snow Across Several StatesAt Least 8 People Killed As Storms Spawn Tornadoes Across The MidwestTwo Killed By Tornado In Oklahoma As Severe Storm System Moves EastAnother Winter Storm Looms As Millions Recover From Historic BlizzardMore Than 500,000 Without Power; 5,000 Flights Canceled Amid BlizzardMassive US Blizzard Dropping 3 Inches Of Snow Per Hour41 Million Face Blizzard Warnings Ahead Of Bomb Cyclone