Move over record-setting warmth: A brutal blast of winter misery straight out of the Arctic appears to be on its way

Average forecast temperature anomalies for today through Dec. 5, 2017. (Source: Climate Reanalyzer/University of Maine) Lately, I've been wondering what happened to winter. And my guess is that I'm not alone. I live along the Front Range of Colorado, and we've been luxuriating in very unusual warmth for this time of year. In fact, Denver reached 81 degrees on Monday. This set the record not just for the high temperature on that particular day but for the entire month of November. Us Front Rangers have not been alone. During the last 30 days, 2,959 record high temperatures have been set across the United States, versus just 880 record lows. (Go here for the latest stats, which change daily.) The warmth will likely hang around for a little while longer — as the map above shows. But if you live in the eastern half of the United States, you might soon ...