usa_cold_weather01Temperatures plunged by as much as 60 degrees Fahrenheit across the Rockies and Plains early this week, and the unrelenting cold has remained entrenched across these areas all week. It has been as much as 30-50 degrees below normal this week from Wyoming and Colorado all the way southward to Texas. “This is exceptional cold,” AccuWeather.com Senior Meteorologist Henry Margusity said. “It’s the coldest air we’ve seen in decades during November.” More