A second, weaker storm was forecast to bring an additional 1 to 2 feet of snow in the region between Monday and Wednesday next week.
A staggering 40 million people are under the threat of severe storms from Missouri to Michigan, with cities like Chicago, St. Louis, Indianapolis, Detroit, Cleveland, Cincinnati, and Louisville on high alert.
An intense, long-lasting atmospheric river began moving into California on Sunday, leaving about 800,000 customers are without power in the state.
The northern coastal ranges and the Sierra Nevada are expected to see the worst of the storm and receive up to 3 feet of snow.
Gov. Brian Kemp's declaration will allow additional resources to be brought into Georgia to help offset the damage from the severe weather.
"The most impactful weather system to affect the U.S. through midweek is forecast to move across California and the Southwest," the NWS said.
Significant damaging winds and brief tornadoes might continue into the early hours of Monday.
"... This will likely be one of the most impactful systems on a widespread scale that this meteorologist has seen in a long while," the NWS said.
New York Governor Kathy Hochol declared a 'state of emergency Wednesday night ahead of a major snowstorm expected to hit Thursday morning and continue throughout the weekend in Buffalo, NY and surrounding areas.
At least one person was killed, dozens injured, and multiple people are missing after deadly tornadoes hit Oklahoma, Texas, and Arkansas Friday evening.
"Hurricane Ian has made landfall as an extremely dangerous hurricane near Cayo Costa, Florida with maximum sustained winds at 150 mph," National Hurricane Center (NHC) officials tweeted at 3:05 p.m. EDT.
The National Weather Service had issued a severe thunderstorm warning for the mountain range, predicting the possibility of hail and gusts of 60 miles per hour.
A video showing the wreckage of the house was widely shared on social media.
A storm along the east coast has left some areas with over a foot of snow and thousands of power outages
It is believed that the hiker was experiencing acute mountain sickness, which coupled with a heavy backpack and severe storm conditions caused him to fall.
Following a night filled with tornadoes and storms in southern Illinois, many people were stuck in an Amazon warehouse in what was described by the Collinsville Emergency Management Agency as a "mass casualty incident."
A 15-year-old boy was hospitalized in critical condition and five other people were injured after a lightning strike at Orchard Beach in the Bronx, New York, Thursday, authorities said.
A thunderstorm was reported in the area between noon and 4 p.m. on the day of the incident.
The number of injuries caused by the tornadoes has not been confirmed.
For the first time ever, researchers have recorded a "space hurricane," 600 miles of plasma raining electrons down on the North Pole.
Another wave of freezing snow is expected as millions lose power, but temperatures should rise over the weekend.
Health officials in Harris County came up with a plan to expedite the allocation of the vaccines after the facility that stored them lost power.