Updated Forecast For Overnight Snow, Rain In Eastern PA

Rain and unseasonably warm temperatures in eastern Pennsylvania on Tuesday are expected to quickly turn into near-freezing temps and at least a little snow by early Wednesday morning.

The National Weather Service forecasts that the Philadelphia region could get some snow, but that the heaviest accumulations likely will be to our north. And, by Wednesday night, we'll be looking at freezing temperatures dipping all the way down into the 20s.

The NWS issued a hazardous weather outlook for the Philly area on Tuesday. It calls for as much as 1-3 inches of snow in areas north of Interstate 78, while about an inch of snow is possible in more southern areas, including Bucks, Montgomery and Philadelphia counties.

The weather could impact Wednesday morning's commute, the weather service said.

Fortunately, the rest of the week looks pretty clear. While it will stay cold, we've got clear skies in the forecast until Friday, when there's a chance of rain in the afternoon.

An hour-by-hour forecast from The Weather Channel that had earlier called for rain throughout much of the day in the Philadelphia region was, by Tuesday afternoon, instead forecasting showers until about 8 p.m.

Light rain was forecast until about 1 a.m. Wednesday, when it is expected to turn to snow. The snow was forecast to continue through the early-morning hours, becoming snow showers by 7 a.m. and cloudy skies by 9 a.m.

Meanwhile, Tuesday's mild temperatures were forecast to drop overnight, hitting a low of about 35 degrees in the early-morning hours.

Wednesday's high is forecast to be 39 degrees, according to the National Weather Service, with Wednesday night's low dropping down to 25.