(USA Today)-- Another day, another snowstorm.
The 50 million Americans in the Northeast corridor are forecast to see another winter storm Tuesday morning, one that threatens to dump up to 6 inches of snow on the nation's most populated region, snarling commutes and travel schedules.
SEE ALSO: More travel woes, storms continue
The National Weather Service is forecasting snow for the I-95 corridor from Washington to Boston on Tuesday, and has issued winter weather advisories and winter storm warnings for Tuesday from southwestern Virginia to New York City.
Weather service meteorologist Bruce Sullivan said the new storm will sweep in from the southwest and bring rain to the South and snow from Virginia to southern New England before it fades. The Baltimore-Washington area will get the worst of it, he said.
"And it looks like it will roll into the region at a terrible time, morning rush," Sullivan said.
Forecast: Tampa Bay Weather Forecast
The storm is forecast to bring an average of 3 inches to most spots, but a few locations along the I-95 corridor can receive up to around 6 inches, reports AccuWeather.
The snow will last an average of six to eight hours; cities such as Washington, D.C., Baltimore, Philadelphia, New York, Hartford, Conn., Providence, R.I., and Boston should all see snow, according to AccuWeather meteorologist Alex Sosnowski.
Flight delays are likely Tuesday morning, he said, due to de-icing operations and slippery runways. This is bad news for air travelers following a dreadful day Monday, when 1,900 flights were canceled and another 8,100 delayed, according to flight-tracking company FlightStats.
Check Tampa International Airport flight status here
Monday was a day to dig out after a swath of snow and ice plastered the landscape from Virginia to New England, causing highway pileups Sunday and disrupting commuters Monday morning.
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Federal offices in the Washington, D.C., area delayed opening by two hours Monday due to the weather, and schools across the region were opening late or closed for the day.
At one point, about 109,000 customers were without power in Virginia and 15,000 in Maryland due to downed power lines, though those numbers were diminishing during the day.
More than 22,000 Dallas-area homes and businesses were still without power on Monday due to the ice storm that brought north Texas to a standstill last week. Since Dec. 1, about 6,000 flights have been canceled at Dallas/Fort Worth International Airport, the nation's fourth-busiest airport.
The winter storms are being fueled in part by an Arctic blast of frigid air that froze highways in the middle of the country over the weekend. Frigid temperatures remained in place Monday for most of the north-central U.S., with many locations at or near 0 degrees. Minot, N.D., reached 5 degrees Monday afternoon, the city's first above-zero reading since last Wednesday.
Nationally, the USA is seeing an unusually snowy December: In all, 66.9% of the USA was snow covered as of Monday, according to data from the National Weather Service. That percentage was the highest for the date in at least the past 10 years.
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