By The Associated Press Snow flurries fall as a woman carries an umbrella near the US Supreme Court in Washington, DC, on March 12, 2026. Following record high temperatures the day before, Washington, DC, recieved snow flurries on Thursday. BRENDAN SMIALOWSKI/AFP via Getty Images hide caption CHICAGO — A broad and erratic patchwork of severe weather rumbled across much of the U.S. on Sunday, dumping heavy snow and making roads impassable in the Upper Midwest while damaging high winds swept across the Plains. Even Hawaii was affected, with parts hit by severe flooding. Portions of the mid-South readied for late-day thunderstorms that forecasters say will spread eastward and by Monday threaten a large swath of the Eastern U.S., with mid-Atlantic states — including Washington, D.C. — most at risk for high winds and tornadoes. Successive punches of snow, wind and severe weather are "going to impact the eastern half of the United States," AccuWeather senior meteorologist Tyler Roys said in an interview.…