Winter Storm Expected Across Parts of Pennsylvania -

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Models have trended slightly warmer today, causing us to change our expectations for some areas of PA especially throughout the southern areas. Rain is now anticipated in all counties in the southern half of the state.

Here is our forecast map with the key below it.

AREA A – A short period of snow (3-4 hours, 2-3 inches) is expected Monday Evening before precipitation type switches to freezing rain. A long period of freezing rain is likely Monday Night into Tuesday Morning which could cause ice accretion of .25″-.5″, which would majorly impact the area.

AREA B – Snow is possible as precipitation moves in but will be limited to under an inch. By late Monday Evening precipitation type will switch to freezing rain. Temperatures will reach the middle 30s in the early morning switching precipitation type to rain.

AREA C – A period of freezing rain is likely from early Monday Evening to late in the evening before temperatures rise above freezing turning precipitation type from freezing rain to rain.

AREA D – All rain is likely.

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Last updated on December 27, 2015

Lead Forecaster Josh Adams

Josh has been passionate about weather as long as his memory dates! From watching the Weather Channel at age 7, to making hand-drawn hurricane maps at age 11, starting his first weather site at 13, and founding PWA at 15 and forecasting for the state for the past seven years, Josh's interest in weather has never dwindled! As difficult as it is, he greatly enjoys forecasting for Pennsylvania due to its countless microclimates. The state is a East Coast severe weather hotspot and nearly always home to the rain/snow line during winter storms!