While waves of cold air and snowflakes will reach the Appalachians in the upcoming days, real chill and snow are still a little way off for Philadelphia.
Fresh cool air will arrive for Sunday with highs in the lower 60s.
However, with the sun out Monday, temperatures will rebound.
As additional waves of cold air bringing some snow showers flow through the Midwest, some chilly air will break across the Appalachians during the middle and latter part of the upcoming week.
The pattern later next week can produce the lowest daytime temperatures of the season throughout the region, along with the lowest nighttime temperatures for the city.
Highs most days next Thursday through next Sunday are likely to be in the 50s with nighttime lows in the 30s.
No snow is in the offing through the end of October for the city, but there is the potential for even colder air with gusty winds around the end of the month.
The coldest air of the winter will plunge southward across much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast during the Valentine's Day weekend.
Untreated roadways and sidewalks could be slippery, causing some problems for the morning commute.
Conditions will be favorable for lake-effect snow through the end of the week, threatening low visibility and dangerous travel conditions.
Episodes of snow and slippery travel will affect the mid-Atlantic states and parts of New England through Thursday.
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New England (2005)
Heavy snowfall totals include. Lost River, NH 23.8" Pinkham Notch, NH 16.0" Bridgton, ME 16.0" Franconia Notch, NH 15.5" Hebron, ME 27.0" Guilford, ME 25.0"
East Columbus, OH Milligan, OH Monterey, VA Pittsburgh, PA Philadelphia, PA (1899)
Severe Cold Wave Tied for lowest min. ever -20. -39 F., record state low temperature. -29 F. Absolute min., -20 F, until 1994 5 deg. F., February record low maximum (tied all time record low max).
Reading, PA Baltimore City, MD Baltimore City, MD ()
-13 F; February minimum; 2nd lowest ever. 3 deg. F., all time record low maximum. -7 deg., tied all time record.