Weather tracker: Warm air engulfs parts of Argentina as winter temperatures soar
A plume of warm air will sink southwards from neighbouring Paraguay on Monday, lingering through Tuesday, before giving way to a cold front on Wednesday.
Snowstorm in the forecast Sunday as NYC ahead of an arctic blast | amNewYork
New Yorkers should prepare for a significant snowstorm on Sunday, bringing 2 to 5 inches of snow, followed by an arctic cold front that will last all week.
L.A. Christmas holiday forecast: Wet and cloudy gives way to crisp sunny skies
"A weakening cold front will zip through Los Angeles County on Christmas Eve, bringing a light smattering of rain in the afternoon, but clearing out by the evening."