Brutally cold conditions will be in place through tomorrow, while snow showers are a threat by Christmas Eve.  A gradual warm-up takes hold towards the end of the year.

TODAY

A series of troughs will produce scattered clouds and flurries.  Winds will be from the northwest at 5 to 15 mph.  Temperatures will rise into the mid to upper 10s over the interior and lower to mid-20s along the coast for highs.

TONIGHT

High pressure will produce clear skies to scattered clouds.  Winds will be light and variable.  Temperatures will fall into the single digits below zero to mid-10s for lows.

TOMORROW

High pressure will produce clear skies to scattered clouds.  Winds will be light and variable.  Temperatures will rise into the lower to mid-20s over the interior, mid to upper 20s in the Delaware River Valley, and lower to mid-30s along the coast for highs.

TOMORROW NIGHT

A cold front will approach the region with increasing clouds.  Winds will be from the southwest at 5 to 10 mph.  Temperatures will fall into the lower to mid-20s over the interior and mid to upper 20s along the coast for lows.

TUESDAY CHRISTMAS EVE

A cold front will produce snow showers and snow squalls in the morning, followed by scattered clouds.  Winds will veer from the southwest to the northwest at 5 to 10 mph.  Temperatures will rise into the lower to mid-30s over the interior and mid to upper 30s along the coast for highs.

WEDNESDAY CHRISTMAS

High pressure will produce scattered clouds.  Winds will be from the north at 1 to 5 mph.  Temperatures will range from the mid to upper 20s for lows and mid to upper 20s over the interior, upper 20s to lower 30s in the Delaware River Valley, and mid to upper 30s along the coast for highs.

THURSDAY

High pressure will produce clear skies to scattered clouds.  Temperatures will range from the mid to upper 10s over the interior, lower to mid-20s in the suburbs, and mid to upper 20s in urban areas for lows and upper 20s to lower 30s over the interior and mid to upper 30s along the coast for highs.

FRIDAY

High pressure will produce clear skies to scattered clouds. Temperatures will range from the mid to upper 10s over the interior, lower to mid-20s in the suburbs, and mid to upper 20s in urban areas for lows and mid to upper 30s for highs.

SATURDAY

High pressure will produce scattered clouds.  Temperatures will range from the upper 10s to lower 20s over the interior, mid to upper 20s in the suburbs, and lower to mid-30s in urban areas for lows and mid to upper 30s over the interior and upper 30s to lower 40s along the coast for highs.

SUNDAY

A weak trough will produce increasing clouds and isolated showers.  Temperatures will range from the mid to upper 30s for lows and upper 30s to lower 40s over the interior and lower to mid-40s along the coast for highs.