CWS Forecast: Northwest 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 in the morning will transition to snow in the afternoon and continue overnight with falling temperatures.

High: 41°F

Low: 31°F

Day Two: Tuesday, January 21st 2020

Snow showers will taper off throughout the day with a partly cloudy sky overnight.

High: 35°F

Low: 24°F

Day Three: Wednesday, January 22nd 2020

Overcast throughout the day with a wintry mix moving in overnight.

High: 36°F

Low: 30°F

Day Four: Thursday, January 23rd 2020

A wintry mix throughout the day tapering off to lake effect snow showers overnight.

High: 34°F↓

Low: 20°F

Day Five: Friday, January 24th 2020

Much colder with lake effect snow showers likely throughout the day and night.

High: 25°F

Low: 18°F

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