(NEW YORK) -- A cross-country storm continued on Monday to produce heavy snow and strong winds in the upper Midwest and Great Lakes region, including an ice storm in northern Michigan, prompting thousands of flight cancellations and delays.
More than 3,400 flights within or out of the United States have already been canceled on Monday and more than 14,000 flights have been delayed, according to FlightAware.com, which tracks flights throughout the nation.
Between Saturday and Monday morning, more than 5,000 flights were canceled nationwide due to weather, with 3,000 flights scrapped on Sunday alone.
A major winter storm sweeping across the country has produced blizzards, ice storms and widespread destruction across parts of the Midwest and Great Lakes states.
Overnight, parts of Wisconsin recorded more than 2 feet of snow, including the city of Wausau, which received 23.4 inches of snow on Sunday and was adding to its snow totals on Monday morning.
Blizzard conditions are still occurring in parts of Iowa, Wisconsin, Illinois and Minnesota, where the city of Minneapolis recorded 8.8 inches of snow overnight and into Monday.
Meanwhile, more than 391 reports of damaging winds have been recorded from Texas to Ohio. At least eight states -- including Tennessee, Illinois, Kentucky, Indiana, Arkansas, Oklahoma, Mississippi and New York -- have reported destructive wind gusts of 70 mph.
More than 500,000 utility customers from Texas to New York were without power on Monday morning, according to the website PowerOutage.com.
Most of the power outages are in northern Michigan, where an ongoing ice storms have toppled power lines.
Fire and ice
The March storm is also forecast to continue whipping up dry and windy conditions in the South, fueling a critical fire threat in areas of the central U.S. already dealing with wildfires.
In Nebraska, three wildfires, the largest being the Morrill Fire, have burned more than 700,000 acres of land across multiple counties in western Nebraska and killed at least one person in Arthur County, Gov. Jim Pillen said at a news conference on Saturday.
On Monday, red flag warnings for fire weather danger are in place from southern Texas through southern Louisiana, including the cities of Houston, Austin, San Antonio, and Corpus Christi.
Severe weather outlook for Monday
On Monday, a moderate risks of severe storms is forecast to spread into South Carolina, North Carolina, Virginia and up to Maryland, including the cities of Washington, D.C., Richmond and Raleigh.
Severe storms are also expected to develop from Georgia to Pennsylvania, including the cities of Savannah, Charleston, Charlotte, Baltimore and Philadelphia. Destructive winds gusts greater than 70 mph could develop in these areas, especially from South Carolina to Maryland.
There's also a risk of tornadoes popping up about midday from South Carolina to Maryland.
A line of severe thunderstorm could also spawn tornadoes from the Florida Panhandle to the West Virginia. A tornado watch was in place earlier for Florida, Alabama and Georgia.
A tornado watch is also in place for Washington, D.C., Baltimore, Philadelphia, and much of New Jersey until 7 pm ET on Monday.
More snow in store for the East Coast
By 6 p.m. ET, snow is expected to be falling from western Virginia, West Virginia, eastern Pennsylvania and western New York. Showers and thunderstorms are also forecast to move along the East Coast from North Carolina to Maine.
The weather system is expected to move out late Monday afternoon. But lake-effect snow is expected to continue through Tuesday on the eastern side of the Great Lakes.
Snow could also make a brief appearance from the Dakotas to Ohio on Tuesday and into Tuesday night.
Record heat wave in the West
Record heat is expected to continue as a summer-like heat dome settles over the West.
Many cities throughout the West -- Sacramento, San Jose, Las Vegas, Phoenix and Denver -- could reach all-time high temperatures for March.
Extreme heat alerts have been issued from southern Arizona up to the Bay Area of Northern California, where temperatures could reach the mid-90s.
Part of Southern California could see temperatures climb to 109 degrees.
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