Season's First Snow From Northern Michigan to Interior Northeast; Coldest Air Mass of Season Continues Into Monday

http://www.wunderground.com/news/pattern-change-winter-preview-northeast-western-warmth

The coldest air mass of the season so far has swept from the Midwest into parts of the East, with widespread frost and freeze conditions and even the first snow of the season for some. 

(PHOTOS: First Snow of the Season in the Great Lakes, Northeast)

Accumulating snow fell this weekend, especially near the Great Lakes. Flurries were widespread across the Northeast on Sunday.

Chilly temperatures will linger into Monday across much of the East, however milder air will return in the new week ahead.

(MORE: Waterspouts spawned over the Great Lakes)

Chilly Blast Brings Frost and Freeze Condition

Lows dipped to freezing or below (32 degrees) Sunday morning as far south as Tennessee and North Carolina, though not every location in those states saw a freeze. A few spots in the north Georgia mountains also recorded a freeze.
Monday morning, lows dipped to freezing or below (32 degrees) once again in parts of Tennessee, North Carolina, north Georgia and upstate South Carolina. Farther north, parts of New England and Upstate New York saw lows in the teens or 20s Monday morning. The typically cold spot of Saranac Lake, New York, had dipped to 10 degrees as of 6 a.m. EDT.
(MAPS: 10-day forecast highs/lows)
Freeze watches, warnings and frost advisories are posted into Monday morning from the Tennessee Valley to North Carolina, the mid-Atlantic, central Appalachians, portions of Long Island and coastal parts of southern New England.

Frost and Freeze Alerts

Here is a breakdown of what has happened and what can be expected (click the city name for the latest 10-day forecast):

• Minneapolis/St. Paul: The first official freeze was reported Saturday morning. Temperatures will turn milder to start this week.
• Chicago: The suburbs had a freeze Saturday and Sunday morning, while O'Hare fell to 33 degrees. Temperatures stayed in the 50s on Sunday.
• Cincinnati: First official freeze and first 20s of the season recorded on Sunday morning. Temperatures were only in the 50s again on Sunday.
• Cleveland: Temperatures did not climb out of the 40s on Sunday. First 30s of the season were reported Saturday evening and Sunday morning.
• Boston: A high of only 47 degrees was recorded on Sunday. First official freeze of the season was recorded at Logan International Monday morning. A high near 50 degrees is expected on Monday.
• New York City: After waking up to lows in the 30s, the high should top out in the 50s on Monday.
• Raleigh: Saw first 30s of the season Saturday, Sunday and Monday morning.

(MAPS: 10-day forecast highs/lows)
As noted before, a warming trend is expected to start this week in many locations. Notice how our forecast low temperature map has much milder readings Tuesday-Thursday morning.

Forecast Morning Lows

Interior Northeast/Northern Great Lakes Snow

Saturday morning, an observer near Darragh, Michigan, measured 5.7 inches of snow. 

The city of Marquette picked up 2.5 inches of snow, the first time the city had seen at least two inches of snow in any single October day in 14 years, according to the National Weather Service.

Snow was reported once again in northern Michigan on Sunday morning, and to the southeast of Lake Erie in northwest Pennsylvania and southwest New York. Some higher terrain areas of Erie County and Crawford County, Pennsylvania, had picked up 4-5 inches of snow as of late Sunday morning.

Up to 9 inches of snow was measured in Oswego County, New York, in the towns of Mexico and Parish from a narrow band of lake-effect snow streaming off of Lake Ontario.
Flurries were reported across New England on Sunday afternoon, as well as parts of Pennsylvania and New York, including Long Island. A trace of snow was reported in Albany, New York as well as Bridgeport, Connecticut on Sunday.