Oklahoma City and Tulsa both landed at the top of a list ranking populous cities with the most unpredictable weather in the US.

More than 84 million are under winter weather bulletins with several states expected to see lows 10 to 25 degrees below normal.

From the northern Plains to the Gulf Coast, much of the nation woke up to its coldest air of the season. USA, — A surge of Arctic air has gripped much of the country, sending temperatures tumbling far below average from the northern Plains to the Deep South

“After a seasonably cool afternoon with highs in the upper-40s to mid-50s, temperatures will take quite the tumble tonight with lows dropping into the upper 20s and low-30s!,” the National Weather Service said early Monday. “Add in the wind and minimum wind chill values will crater into the upper-teens to low-20s!”

Travelers may face delays today as Arctic air pushes through the Northeast, bringing the potential for several inches of snow.

A massive Arctic blast is sweeping across the United States, sending temperatures plunging from the northern Plains to the Southeast.

A strong polar cold front will bring the coldest air of the season so far with wintery precipitation for some to begin the work week. A Winter Weather Advisory will be in effect from 7 PM Sunday through 7 AM Tuesday for Grayson and Bland counties,

Cold weather conditions are likely to hit the UK as the latest weather maps show temperature levels plummeting to freezing -12C in the next few weeks. WXCharts weather maps generated using Met Desk data on November 12 suggest that a swathe of cold air will sweep through the country on November 25, leaving many parts of the country shivering.