Cold Blast Will Mean , Record-Breaking Low Temps , Across Eastern US.
Close to 60 million people will be affected by the cold blast this week.
While the system will affect mostly the eastern half of the U.S., .
... cold warnings and freeze watches have even been declared for some western states including CO.
Temperatures are expected to dip as low as 35 degrees in some states.
According to the National Weather Service, .
... across the Midwest, Northeast and Southeast regions temperatures will be between 10 and 25 degrees below average.
Widespread high/low temperature records may be tied or broken through Tuesday night, with high and low temperature anomalies being between 15-25 degrees below average.
, National Weather Service.
This may be the first freeze of the season for many places across the Central Plains, Middle Mississippi Valley ... , National Weather Service.
... and Ohio/Tennessee Valleys which will impact sensitive crops/livestock, National Weather Service.
More than 50 low-temperature records are expected to be shattered by week's end.
By contrast, .
... temperatures in some parts of the Western U.S. are expected to break record highs, particularly in the Northwest.
The Northwest will remain warmer than normal over the next few days thanks to the continued presence of a staunch upper-level ridge.
, National Weather Service.
Some records may be tied or broken over the Pacific Northwest and Northern Rockies on Tuesday, National Weather Service