The clock is ticking on extensive mild Pacific air that has infiltrated much of the United States in the past week. AccuWeather meteorologists advise that drastically colder air from the Arctic will ...

The United States is bracing for its coldest January since 2011 as a massive Arctic air outbreak sweeps across the central, southern, and eastern states. Meteorologists at AccuWeather report that over ...

If you spent much of last month shivering in the United States, you were not alone. A preliminary look at temperature data shows that the U.S. is likely to have experienced its coldest January average ...