Signs continue to point toward an arctic cold outbreak beginning the third week of November in the Northwest, expanding to much of the eastern half of the U.S. before Thanksgiving.
The cold wave will have people turning up their heat and perhaps scrambling to stock up on wood and fill up on heating oil.
Snow and a freeze-up accompanying the cold blast may lead to travel problems.
The air will have tremendous shock value, given the complacency in the weather now over the Plains and much of the Southeast.
It appears building cold air over Siberia will soon move eastward through the Arctic over the next week or so, then drive southward through North America during week three of the month.
Alaska would feel the cold around mid-month.
Next, steering currents would then drive frigid air southward through western Canada into the Northwest and northern Rockies.
It is possible this invasion of cold air would first spin up a major storm over the middle of the nation, where it comes in contact with unusual warmth building in the East.
Whether or not a wrapped-up storm with wind-driven rain, severe thunderstorms, and a Midwest blizzard comes to pass before the cold reaches the East remains to be seen. However, that too is a possibility.
It is looking more and more likely that the coldest air of the season so far, with strong winds, may greet people during the weekend prior to Thanksgiving from the Plains to the Atlantic Seaboard.
AccuWeather.com and its team of long range forecasters (Joe Bastardi, Paul Pastelok and Joe Lundberg) first alerted you about this possibility last week.
The details on how cold the weather will get from place to place will unfold over the next week.
Most likely, once the cold reaches the East, temperatures will rebound in the Northwest.
AccuWeather.com is expecting a stormy, wintry December over the northern tier of the U.S. It appears this outbreak will set the stage for that pattern.
The late October windstorm and now the crazy storm that struck New England from the northeast Monday are examples of the volatility potential of the weather pattern.
Tropical Storm Matthew has formed in the Caribbean could take a turn toward the United States as a hurricane next week.
It will feel like an extended winter for those living from the northern Plains to the eastern U.S., as cold and snowy conditions last longer than normal.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.
Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic.
A new typhoon is brewing in the western Pacific Ocean and could pose a risk to Japan, Taiwan and eastern China next week.
Thundery showers set to start this weekend will depart before the season's first National Football League game in London kicks off on Sunday.
Colorado Springs (1959)
A storm produced 28 inches of snow.
Reno, NV (1982)
Snow fell for the first time in 93 years in the month of September. Town received 1.5 inches the night before, surpassing the old record of 0.5 inches set back in 1889.
Violent thunderstorms along a cold front. 2-4 inches of rain and 60-mph winds in places. Lawrence, KS, had golf ball-sized hail and winds to 80 mph.