Record-breaking cold possible across much of U.S.; how does this affect Oklahoma?

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The National Weather Service warned Sunday that much of the United States will see this week the coldest temperatures in almost 20 years as an arctic cold front descends on 140 million people.

And in addition to the cold, there will be heavy snow in the eastern Plains and Great Lakes, as much as a foot Sunday.

Temperatures will be 30 to 50 degrees below average Sunday from the Plains to the Upper Mississippi Valley, forecasters said.

By Wednesday, nearly half the nation will shudder in temperatures of zero or lower, forecasters said. Even the Deep South will endure single-digit or sub-zero temperatures.

Sunday’s weather will have a huge impact on travel, with almost 2,400 flights originating in or heading to the U.S. canceled, according to flight-tracking website

4 Warn Meteorologist Aaron Brackett says the nose of that cold air is going to end up in Oklahoma tonight and tomorrow.

Temperatures will be in the single digits statewide tonight and early Monday morning with wind chill values as cold as -10 in northern Oklahoma, and in the 0 to -5 range in central and southern parts of the state.

Monday’s high is only forecast to reach the low to mid 20s despite abundant sunshine, making this stretch of cold air especially dangerous for anyone outside.

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