The National Weather Service has extended a Cold Weather Advisory for parts of Delaware, Maryland, New Jersey, and southeast Pennsylvania, warning of dangerous wind chills and advising precautions.

Philadelphia is under a cold weather advisory with wind chills reaching -10°F, prompting hypothermia and frostbite warnings, and encouraging residents to dress warmly and stay indoors.

Delaware Valley is facing a severe cold snap, with a Cold Weather Advisory in effect from Monday evening to Wednesday noon, warning of wind chills as low as -7°F.

A winter storm warning for Philadelphia area forecasts 4-6 inches of snow, advising caution for difficult travel and dropping temperatures post-storm.

Philadelphia prepares for mixed precipitation and a potential snowstorm over the weekend with a 60-90% chance, followed by a mostly sunny MLK Day and another possible snow chance by Tuesday night.

Philadelphia's weather is set to change, with a sunny day turning to a mix of rain and snow over the weekend, followed by cold temperatures into the next week.

Philadelphia is set for snow showers today with less than half an inch of accumulation. Temperatures will fall to the mid-20s tonight. The weekend will see mixed precipitation, with sunny skies on M.L.King Day.

The National Weather Service forecasts variable weather for Philadelphia, including sun, potential snow showers, and rain, with currently chilly conditions and brisk winds.

Philadelphia expects a cold week with sunny and cloudy periods, occasional gusty winds, and chances of snow showers towards the weekend and on MLK Day.

Philadelphia's weather will be mostly sunny with a temperature range of low 30s to mid-40s and clear skies throughout the week, turning chillier at night.

The National Weather Service predicts sunny, cold weather in Philadelphia today, with a high of 39°F and a chilly evening at 25°F, and a mix of sunny days and clear nights throughout the week.

Philadelphia experienced light snow in the morning with expected clearing and a high of 34°F. Winds will strengthen from northwest, and less than half an inch of accumulation is expected. The National Weather Service provides ongoing updates.

The NWS warns of low water levels on the Delaware River affecting navigation, advises caution for mariners, and predicts variable weather for Philadelphia with possible snow and mid-30s to low 40s temperatures.