At a Glance

Record warmth has been replaced by light snow and much-colder temperatures.Temperatures could be over 40 degrees colder in some cities than earlier this week.Low temperatures in the teens and single digits are expected through Sunday.

Winter cold more in line with January or February has pushed its way back into the conversation this first weekend of March in parts of the Northeast and Great Lakes.

Saturday morning, temperatures tumbled into the teens as far south as far northern North Carolina. Subzero wind chills were in place in Boston and Albany, New York. Lows in the teens below zero were in place in northern Michigan.

Temperatures are over 40 degrees colder in some cities than , not to mention accompanying that record warmth.

A southward dip in the jet stream across the East and a fast-moving disturbance are responsible for this brief weather pattern change. As a result, much-colder temperatures, more typical of the heart of winter, will linger this weekend.

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The upper Midwest will generally see highs in the 30s and 40s on Saturday as a warm-upis ushered in.

Much of New England and New York state, however, will be stuck in the teens and 20sfor highsSaturday.

Lows will have you grabbing your winter coat once again after the recent warmth we've seen.

Parts of the upper Midwest and Northeast will see morning low temperatures 10 to 20 degrees below average again Sunday.

Single-digit lows are forecast near the Canadian border, while teens can be expected in a band from parts of the Great Lakesto the Northeast. A few of the coldest locations may even dip below zero.

The NWS has posted wind chill advisories for parts of New England, where wind chills through Sunday morning may be as cold as 30 degrees below zero.

Beginning Sunday afternoon warmer temperatures will spread from the Plains and Midwest toward the East yet again. Most areas will see highs and lows return to levels well above early-March averages by Monday or Tuesday.

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MORE ON WEATHER.COM: Winter Storm Quid, February 2016

A woman crosses 16th street during a snow storm Friday, Feb 24, 2017, in Omaha, Neb. (Brendan Sullivan/Omaha World-Herald via AP)