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Extended period of springlike warmth to surge into midwestern, eastern US

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After a series of winter storms blasted through the Midwest and Northeast this past week, warm weather is in the forecast for much of the country.

Areas east of the Rockies will begin to feel a springlike warmth on Thursday as high pressure settles over the Appalachians.

snowdrought


Dry weather promoted by this feature will extend the snow drought in the central U.S., increasing the likelihood of a record-breaking winter.


“The northern branch of the jet stream will retreat into Canada late this week, allowing warmth to surge northward over the central and eastern parts of the country,” said AccuWeather Meteorologist Max Vido.

By Friday, any lingering chill in the Midwest will dissipate as a warm front pushes through from the southwest.

Weekend


Temperatures will spike to over 20 degrees Fahrenheit above average on Thursday across the center of the country.

“This will mean widespread snowmelt in North Dakota and Minnesota,” said Vido.

Despite a seasonable average high temperature of 46, St. Louis is expected to reach 65 on Thursday. By Friday afternoon, temperatures will approach the 70-degree mark.

“At the surface, a warm front positioned over the northern Plains and Midwest will progress eastward into the mid-Atlantic by Saturday,” said Vido.

After lingering seasonably in the 40s through the end of the week, Philadelphia is expected to reach into the low 60s this weekend.

“Behind this warm front, daytime high temperatures will rise to 15-25 degrees above normal, delivering an early taste of springlike warmth,” said Vido.

In New York state and New England, subfreezing nighttime temperatures could allow the thick snowpack to survive the mild weekend.

“Cities like Pittsburgh, Philadelphia, New York City, Baltimore, and Washington D.C., will either challenge or break the 60 mark on Saturday and Sunday,” said Vido.

warmfront


While a weak cold front is expected to dip through the Great Lakes and Northeast on Sunday, it will not return temperatures to average levels. However, high temperatures across the region will stop increasing.

“As the jet stream remains mostly to the north early next week, expect a prolonged period of above-average temperatures in the eastern half of the country,” said Vido.

A more significant warmth-slashing cold front is expected to push west to east across the country late next week, bringing a slow end to this taste of spring.