[caption id="attachment_128208" align="aligncenter" width="900"] This forecast for Warsaw was released at about noon on Friday.[/caption]

By Associated Press

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 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 has already hit much of the East. On Wednesday, Washington, D.C., residents walked around in shorts in record-breaking 86 degrees Fahrenheit (about 30 C). On Thursday, it snowed.

“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 National 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.

A 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 F 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: “Since we are not acclimated to this level of heat this early in the year, it will be more impactful than usual.”

It has already started in Los Angeles, with unusual 90-degree March weather that had people in shorts and tank tops seeking shade wherever they could find it, even if it was as slender as a light post.

Shane Dixon, 40, usually runs about 5 miles (8.05 kilometers) near his home in Culver City without much effort, he said, his face glistening with sweat and his T-shirt tucked into his shorts. But Thursday was hard because of the heat, and he had to cut it short.

Minneapolis will hover around zero (-18 C) for a low, and Chicago will be in the single digits Tuesday. The next day, “temperatures in the teens and 20s in the Northeast and 20s in the Mid-Atlantic,” Maue said. Even Atlanta could drop to the 20s.

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