Cold air started the week and will end the week around Philadelphia.
The leading edge of chilly air will arrive Thursday evening. By Friday, the area will feel like late November with winds gusting to around 40 mph and RealFeel® temperatures in the 40s.
Brisk and chilly conditions will stick around this weekend, but both days should bring a good deal of sunshine.
Sunday will be the warmest day of the weekend with mostly sunny skies and high temperatures in the middle 50s.
A reinforcing push of chilly air is slated to move in during the middle of next week and could bring another step down into the coldest air of the season so far.
As far as any snow on the nearby horizon, there can be some of the white stuff accumulating over northern upstate New York and northern New England Sunday into Monday, but not around Philadelphia. At least not just yet.
The main weather concern to search crews through Monday in the vicinity of where the Malaysia Airlines Boeing 777 lost contact will be building seas.
"We exchanged notes already pledging to work together for the common good of the weather enterprise and the nation," AccuWeather CEO Barry Myers said.
Springlike warmth will pour from the Plains to the East over the next few days before another winter storm unfolds at midweek.
Despite a springlike start to the week, winter and substantial snow will make a comeback across the Midwest and Northeast at midweek.
The long-lasting and relentless winter season has broken seasonal maintenance expenditure records across much of the U.S.
A storm system in the Northwest will continue to deliver rain over the region heading into the new week with some rain dipping down into parts of California.
Aibonito, Puerto (1911)
40 degrees, coldest ever in Puerto Rico.
Big snowfall... Location Snowfall amounts (in inches) Charlotte, NC 7.6 Greensboro, NC 11.1 Louisville, KY 12.0 Bowling Green, KY 18.0 -- greatest 24-hour snowfall in history of state. Morristown, TN 22.0 -- 24 hour state record
Record Heat.... Location New Record Old Record West Palm Beach 88 86/1948 Miami 88 87/1945 Ft. Lauderdale 88 85/1951 Hollywood 90 83/1980