CWS Forecast: Southeast Pennsylvania

As cold air spills into the commonwealth on Friday, the remnants of lake effect clouds in northwest PA will fade away. An overcast quickly builds in overnight in advance of a winter storm that will bring accumulating snow and sleet to many on Saturday, as well as run the full gamut of precipitation types. After an arctic cold front brings snow showers and squalls to western PA overnight into Sunday, areas downwind of Lake Erie will be dealing with lake effect snow through Sunday evening. Mostly cloudy skies and flurries stay parked over northern and western portions of the state on Monday, with southeastern areas seeing considerably more sunshine. Skies will become mostly sunny for Tuesday.

Day One: Monday, January 20th 2020

Periods of rain throughout the day, tapering off at night.

High: 55°F

Low: 38°F

Day Two: Tuesday, January 21st 2020

Decreasing clouds throughout the day with mostly clear skies overnight.

High: 47°F

Low: 31°F

Day Three: Wednesday, January 22nd 2020

Overcast throughout the day before a wintry mix moves in overnight with a combination of sleet, freezing rain, and possibly snow.

High: 40°F

Low: 35°F

Day Four: Thursday, January 23rd 2020

Periods of rain throughout the day. Temperatures plummet overnight and showers will taper off.

High: 51°F

Low: 29°F

Day Five: Friday, January 24th 2020

Much colder with decreasing clouds throughout the day and mostly clear skies overnight.

High: 38°F

Low: 20°F


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