7:00 AM | *Accumulating snow tonight and Friday morning...more snow possible Saturday night/early Sunday...major warm up next week*
Paul Dorian
6-Day Philly Forecast
Today
Sunshine followed by increasing clouds, cold, highs in the mid-to-upper 30’s
Tonight
Cloudy with snow likely mainly after 10 pm, cold, lows in the mid-to-upper 20’s
Friday
Mostly cloudy and cold with snow likely through the morning hours, mid-to-upper 30’s
Friday Night
Becoming partly cloudy, cold, mid 20’s
Saturday
Partly sunny, cold, chance for snow or snow showers late in the day or at night, near 40 degrees
Sunday
Early morning snow or snow showers possible then becoming partly sunny, chilly, low-to-mid 40's
Monday
Partly sunny, milder, low 50’s
Tuesday
Mostly sunny, quite mild, low 60's
Discussion
Strong NW winds flooded the Mid-Atlantic region yesterday with a much colder air mass compared to recent days and this will set the stage for an accumulating snow event from later this evening into Friday. Clouds will increase later today as moisture begins streaming eastward from the Ohio Valley with low pressure dropping into the region from the Northern Plains. Snow should break late this evening in the Philly metro region and continue into Friday morning with accumulations likely for the Friday morning commute. Rain can mix in at times during this event; primarily, to the southeast of I-95.
By tomorrow morning, the initial Ohio Valley low pressure system will transfer its energy to a secondary low pressure system along the Mid-Atlantic coastline and this storm is expected to intensify rapidly as it pulls northeastward. As far as snowfall estimates are concerned, up to 3 inches of snow can fall in the Philly metro region, but a slight shift to the northwest in the current expected storm track could increase accumulations significantly along the I-95 corridor - so stay tuned. A fast-moving "clipper" type of low pressure system will bring the chance for more snow to the Mid-Atlantic region on Saturday night and early Sunday with additional accumulations possible. After that, it is off to the races next week as far as temperatures are concerned as there will be a major warm up.
Meteorologist Paul Dorian
Vencore, Inc.
vencoreweather.com