Rounds of snow and flurries are in store for the Philadelphia area through next week.
The snowy episodes are being caused by storms originating from Western Canada and are known as Alberta Clippers.
Most storms will struggle to bring a flurry. However, a small number of the storms can bring accumulating snow.
On such storm will swing through later Friday night into Saturday with a quick coating to an inch or two of snow in some locations, mainly north and west of the city. Because some of the snow will fall during the early morning hours, when temperatures are at their lowest point, there can be slippery travel. Rain showers can be mixed in near the coast. The snow will tend to melt off during the midday and afternoon hours.
Areas from central Pennsylvania to upstate New York and central interior New England can receive several inches of snow.
Another weak storm can bring a couple of snow showers on Sunday.
The pattern will favor bouts of brisk winds.
After moderate cold through Monday, more substantial cold follows later next week.
Later in the month, frigid air that pushes southward over the Midwest will turn eastward and could alter the weak storm pattern to one that favors more potent storms and heavier snow.
A new tropical threat may loom for the Caribbean and North America in the not-too-distant future, while eight more weeks remain in the Atlantic hurricane season.
The greatest danger of flooding across the central United States will unfold in western Texas, where downpours will be most persistent into Monday.
Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend.
Typhoon Megi will continue to strengthen before threatening lives and property across Taiwan and eastern China this week.
The first windstorm of the season could blast the northern United Kingdom around Tuesday of this coming week as Karl arrives.
Hot, dry and windy weather into Monday will lead to an increased risk of wildfires across Southern California.
SC, GA & N FL (1888)
Southern frost, earliest frost ever so far south.
Yellowstone, MT (1926)
Minus 9 degrees F., lowest for U.S. in September. Severe widespread frost with great crop destruction. Earliest snow in Spokane Co., Washington.
Luzon, Philippines Islands (750 miles east of (1958)
Lowest pressure recorded on earth...877.0 mb or 25.90".