The Pacific Northwest remains soggy as moisture streaming into the region brings steady rain in lower elevations and heavy snow in the northern Cascades and Rockies. Meanwhile, severe thunderstorms threaten the Gulf Coast from Louisiana to Georgia. Looking for warmth? Spring-like temperatures are expanding across the western and central U.S. this week where record-high temperatures will be set in dozens of locations. Looking for snow? Head to Canada, where heavy snow will cover many.