Nearly every part of the United States is getting walloped by wild weather or just about to be.Days of downpours have begun in Hawaii. The Southwest will soon bake with day after day of record 100-degree-plus (38 Celsius-plus) heat. Two storms will dump snow by the foot over northern Great Lakes states. And the dreaded polar vortex will again invade the Midwest and East with soul-crushing Arctic chill.This forecast of extremes comes as weather whiplash already hit much of the East. On Wednesday, Washington, D.C. residents walked around in shorts in record-breaking 86 degrees Fahrenheit (about 30 Celsius). On Thursday, it snowed.AdvertisementAdvertisement“All of the country, even if you’re not necessarily seeing extremes, are going to see generally changing from cold to warm, or warm to cold to warm,” said meteorologist Marc Chenard of the weather service’s Weather Prediction Center in Maryland.Former National Oceanic and Atmospheric Administration chief scientist Ryan Maue said he expects extreme weather in all 50 states.Triple-digit heat persists in SouthwestA heat dome will form early next week and park over the Southwest, baking temperatures to triple digits that haven’t been seen this early in the year, Maue and Chenard said.Some forecasts see 98 (almost 37 Celsius) in Phoenix on Tuesday, followed by 103, 105 and two days of 107 (almost 42 C). In 137 years of record-keeping, Phoenix never hit 100 before March 26 and usually hit its first 100-degree day in early May, according to the weather service, which warned people: “Since we are not acclimated to this level of heat this early in the year, it will be more impactful than usual.”AdvertisementAdvertisementIt has already started in Los Angeles with unusual 90-degree March weather that had people in shorts and tank tops seeking shade anywhere they could get i …
