Climatologist Brian Brettschneider explained to Alaska Public Media that the cold air has been building up over the ocean due to a lack of warming sunshine. Brettschneider said, "Right now we're in a pattern where the flow is bringing some of the cold air that's been slowly building up over the last few weeks, it's dragging that into Alaska and so we're all experiencing those below normal temperatures."
View of a car buried in snow during the so-called Knickerbocker Storm, a blizzard that dropped 28 inches of snow on Washington DC, January 28, 1922. The storm, which also affected a large portion of the Eastern Seaboard, was named after the collapse of DC's Knickerbocker Theatre, caused by the excess weight of the snow on the structure's roof, which resulted in 98 deaths and 113 injuries; later, both the building's owner and architect committed suicide.
(Photo by Herbert A. French/Buyenlarge/Getty Images)
9. Blizzard Of 1888
A man stands by a snow hut, after the Great Blizzard of 1888, with U.S. Capitol in background, Washington, D.C. According to History.com, 55 inches of snow piled up in some areas and hundreds of people were killed.
(Photo by Buyenlarge/Getty Images)
8. The Blizzard of 1996
The Blizzard of '96 was a severe nor'easter that paralyzed the U.S. East Coast with up to 4 feet of wind-driven snow from January 6 to January 8, 1996. It is one of only two snowstorms to receive the top rating of 5, or 'Extreme', on the Northeast Snowfall Impact Scale. Looking west down Penn. Ave from the US Capitol during the Blizzard.
(Mark Reinstein/Corbis via Getty Images)
7. 2008 Blizzard in Tibet
Journeying outside of the Unites States, Tibet got a surprise storm that lasted 36 hours and dropped upwards of five feet of snow causing buildings to collapse and at least seven deaths.
(Photo credit: Getty)
6. 1959 storm on Mount Shasta
Number six is the storm on Mount Shasta in California in 1959 which unloaded 189 inches of snow on the locals and is considered the largest snowfall from a single storm in North America according to NOAA.
(Photo by Frederic Lewis/Archive Photos/Getty Images)
2. Blizzard of 1977
At number two is the blizzard of '77 in Buffalo, New York. Powerful and sustained winds created massive snow drifts.
(Photo by Ira Block/National Geographic/Getty Images)
5. Blizzard of 1971
Next is the Eastern Canadian Blizzard of 1971. It is said the event closed down the Montreal Forum, canceling a Montreal Canadiens hockey game, something that hasn't occurred since the flu epidemic of 1918.
(Photo by Dave Norris/Toronto Star via Getty Images)
4. New England Blizzard of 1978
At number four is the New England Blizzard of 1978. Stalling over New England, this storm struck during the day, dropping over 27 inches of snow and stranding many at schools, businesses and others in their cars.
(Photo by David L Ryan/The Boston Globe via Getty Images)
3. The Great Snow of 1717
Then there was the Great Snow of 1717 over the New England Area. With five feet of snow already on the ground, around four more fell on top of that creating drifts as tall as 25 feet, burying entire houses.
(Photo via Getty Images)
1. Blizzard of 1967
But the storm to top them all is the Blizzard of 1967. Laying waste to the Midwest, this storm took 76 lives, set the record snowfall for Chicago with 23 inches and was preceded by a severe tornado outbreak with temperatures in the 60's.
(Photo by Robert Abbott Sengstacke/Getty Images)
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Now that cold air is set to migrate south. Meteorologists estimate it will reach the continental U.S. by next week.
That's probably going to cause temperatures to drop. The National Weather Service estimates almost every state west of Ohio stands a greater than 33 percent chance of seeing their temperatures dip.
Midwestern states in particular will feel the brunt of this cold snap. The Washington Post notes temperatures in Billings, Montana, Rapid City, South Dakota, and Denver, Colorado, are all forecast to drop by more than 20 degrees Fahrenheit next week. West Coast states like California and Washington are likely to see their temperatures dip by single digits.
The Cooperative Institute for Precipitation Systems says the cold air mass should thin out as it rolls east across the 48 states.
Snow, winter weather 2015-2016 season across the U.S.
Snow, winter weather 2015-2016 season across the U.S.
LUBBOCK, TEXAS - DECEMBER 27: A highway worker tries to shield himself while walking to his truck on December 27, 2015 in Lubbock, Texas. Coming on the heels of several strong tornadoes, some northern parts of Texas are experiencing blizzard conditions with wind gusts up to 50 mph and as much as 13 inches of snow forecast. (Photo by John Weast/Getty Images)
NEDERLAND, CO - DECEMBER 15: Steve Hauser plows snow in the Caribou Shopping Center in Nederland, Colorado on December 15, 2015. Snow is expected to continue throughout the day. (Photo by Helen H. Richardson/The Denver Post via Getty Images)
NEDERLAND, CO - DECEMBER 15: A yellow lab waits patiently in his owner's snowy old truck along East 1st Street in Nederland, Colorado on December 15, 2015. Snow is expected to continue throughout the day. The dog looked warm and didn't wait long in the car as his owner returned shortly after an errand in the town. (Photo by Helen H. Richardson/The Denver Post via Getty Images)
DENVER, CO - DEC. 15: Anna Renton, 7, right, relaxes while neighbor Graham Langner, 7, has a snow fight with his nanny, Ashely Kish.The Denver metro area received more snow than expected overnight, closing schools across the city with some areas measuring a foot of snow by the early morning. (Photo by Kathryn Scott Osler/The Denver Post via Getty Images)
LAKEWOOD, CO - DECEMBER 15: Crut Liles clears snow from his walkways outside his home in Lakewood, December, 15, 2015. Many schools in the area are closed due to the snow storm. (Photo by RJ Sangosti/The Denver Post via Getty Images)
DENVER, CO - DEC. 15: A CDOT crew runs their plow truck southbound on Colorado Blvd. near E. 13th Ave. in Denver. The Denver metro area received more snow than expected overnight, closing schools across the city with some areas measuring a foot of snow by the early morning. (Photo by Kathryn Scott Osler/The Denver Post via Getty Images)
Al Frelk walks his dog, Shiba, 10, in Lords Park in Elgin, Ill., on Saturday, Nov. 21, 2015. Asked about the snow, Frelk said, 'It's beautiful, but can be tough to drive in. Though Shiba has been waiting 9 months for this.' The first winter storm of the season dropped more than 10 inches of snow at numerous Chicagoland locations. (Stacey Wescott/Chicago Tribune/TNS via Getty Images)
DENVER, CO - NOVEMBER 17: Snow hit the Denver metro area having an impact on air travel at Denver International Airport. They were clearing out from the snow on Tuesday, November 17, 2015. Raul Hernandez shovels snow in the economy lot. Hernandez and his crew had worked all night to clear snow. (Photo by Cyrus McCrimmon/The Denver Post via Getty Images)
LAKEWOOD, CO - NOVEMBER 11: Brandon Nelli, a student at Colorado Christian University in Lakewood, shovels snow during a Veteran's Day snow storm the moved into the area overnight, November, 11, 2015. Lakewood got almost 3 inches in some areas form the storm. (Photo by RJ Sangosti/The Denver Post via Getty Images)
DENVER, CO - NOVEMBER 11: A blanket of white snow covers Fort Logan National Cemetery during a Veteran's Day snow storm the moved into the area overnight, November, 11, 2015. (Photo by RJ Sangosti/The Denver Post via Getty Images)
MONUMENT, CO. - November 17: Bob Swift clearing his driveway of a deep drift of snow in Monument, CO. November 17, 2015 Monument, CO (Photo By Joe Amon/The Denver Post via Getty Images)
An above-average amount of snow covers a small cabin near where the first snow survey of winter conducted by the California Department of Water Resources in Phillips, California December 30, 2015. REUTERS/Fred Greaves
Cameron Shonnard backflips a jump at Squaw Valley in Olympic Valley, California, December 5, 2015. An El Nino is forecasted for California, and regular precipitation has been welcomed after years of drought. REUTERS/Max Whittaker TPX IMAGES OF THE DAY
Fresh snow clings to trees near Big Bend, California, December 4, 2015. An El Nino is forecasted for California, and regular precipitation has been welcomed after years of drought. Picture taken December 4. REUTERS/Max Whittaker
The U.S. Capitol dome can be seen behind piles of snow removed from parking areas and walkways around the Capitol grounds in Washington January 26, 2016. The snowbound Washington area was resuming partial business on Tuesday as trains and buses restarted near-normal service, while federal offices remained closed following a massive blizzard that hammered the U.S. East Coast. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY
Floodwaters cover Green Avenue after a winter storm in Manasquan, New Jersey, January 24, 2016. A morning high tide surge of 2 feet followed snowfall of about 2 feet in the first major storm of the season. REUTERS/Dominick Reuter
A couple poses for a photo on a snow pile during a snow storm in Times Square in the Manhattan borough of New York, January 23, 2016. REUTERS/Carlo Allegri TPX IMAGES OF THE DAY
WASHINGTON, DISTRICT OF COLUMBIA, UNITED STATES - 2016/02/15: Snow is once again falling across Washington, D.C on Monday, 15 February 2016. The bitter cold was replaced by snow, sleet and rain Monday in the mid-Atlantic states and the South, but many residents were able to hunker down at home with federal offices and many businesses closed for Washington's Birthday. (Photo by Probal Rashid/LightRocket via Getty Images)
A barn painted with the U.S. flag is seen in the snow covered field in Kanawha, Iowa, United States, January 16, 2016. Iowa will be the first state to hold its primary, with both Democratic and Republican events being held February 1, 2016. Picture taken January 16, 2016. REUTERS/Jim Young
Police officers gather outside the Montgomery County Courthouse, where actor and comedian Bill Cosby will arrive for a preliminary hearing on sexual assault charges, in Norristown, Pennsylvania February 2, 2016. Cosby has been charged with the 2004 sexual assault of Andrea Constand, a former women's basketball team manager at Temple University in Philadelphia, Cosby's alma mater. REUTERS/Mark Makela REUTERS/Mark Makela