Weather system triggered landslides, closed roads and damaged property across the Pacific North West.
Heavy rainfall and strong winds caused power outages across in some states as Winter Storm Harold made its way across the East Coast.
Weather conditions will begin to improve today as Winter Storm Gail nears its end, although New England is expected to see more snowfall.
Meanwhile, other major cities such as Washington and Philadelphia will likely experience a wintry mix and rain.
Cities including Washington D.C. and Philadelphia will experience a wintry mix while New Jersey and southern New York State will face heavy snow.
The storm hit Nicaragua as a category 4 hurricane on Monday and is expected to dissipate after moving through El Salvador today.
Life-threatening storm surge, catastrophic winds, flash flooding, and landslides are expected in parts of Central America.
Nearly half a million energy customers are without power following the severe weather on Sunday night.
Around two million New Yorkers, in areas including The Bronx and Yonkers, faced a tornado warning last night.
Eta is expected to be near or at hurricane strength tonight as it approaches the west coast of Florida before rapidly weakening after landfall.
The 12th named storm to hit the continental U.S. this year is bringing torrential conditions to the U.S. after ravaging parts of Central America.
Storm Zeta is due to make landfall Wednesday morning, with residents being urged to brace for impact.
Residents brace for the impact as forecasters predict the Category 1 storm will hit Louisiana before moving into Georgia.
Epsilon is expected to form large swells that are likely to cause life-threatening surf and rip current conditions.
The National Hurricane Center warned of "life-threatening storm surges" as Hurricane Delta made landfall in Southwest Louisiana on Friday night.
At one point, more than half a million residents of the East Coast states were without power.
Tropical Depression 26 is expected to strengthen to a tropical storm before eventually becoming a hurricane on Tuesday.
While the U.S. will miss the impact of the hurricane, forecasters say that "interest in Bermuda should monitor the progress of Teddy."
A storm in the early hours of Friday may help contain the wildfires as Gov. Kate Brown says: "Our firefighters are grateful for rain."
"Catastrophic and life-threatening" flooding was likely along portions of the north-central Gulf Coast, the National Hurricane Center said.
Sally is forecast to produce 10 to 20 inches of rainfall, with isolated amounts of 30 inches, from the Florida Panhandle to the Alabama/Mississippi border.
The NWS warns that historic flooding is possible and extreme life-threatening flash flooding is likely through Wednesday.
With more than 650 power outages across Utah, residents have been encouraged stay indoors and off the roads as an arctic storm system hits the state with powerful winds and a cold front.
On Sunday, Portland General Electric warned some 5,000 customers living near Mount Hood that they may temporarily lose their power.
Lake Charles residents woke up to damaged buildings, monuments, and cars as the hurricane hit the area this morning.
"It's a very sad situation," said Ashley Buller, who is assistant director of the Parish's Office of Emergency Preparedness. "We did everything we could to encourage them to leave."
"Extremely dangerous" Hurricane Laura will cause up to 20 feet of flooding in certain areas, with Lake Charles being engulfed by sea water.
While thousands are under evacuation orders, people in impacted parts of Louisiana and Texas have been urged to take cover as it may be too late to leave.
Satellite imagery and photos from a NASA astronaut are helping to visualize the size of a vast and "unsurvivable" hurricane.
Louisiana and Texas residents in the path of Hurricane Laura have been told to "take action now to protect your life!"