Heavy rain and flash flooding threat continues in the Southwest today.Heavy Snow for the Intermountain West mountains through mid-week.Temperatures will continue to run above average from the Plains to theNortheast with record breaking warmth for parts of the Upper MidwestShowers and thunderstorms have expanded into the Desert Southwest ahead ofa deep upper trough that is slowly moving east into the region. Locallyheavy rainfall could lead to scattered instances of flash flooding throughtonig...