Today's pleasant weather will give way to a rainstorm tomorrow night and lingering showers through next week.  There will be a growing threat of coastal flooding, urban flooding, and river flooding over the next several days.

 

TODAY

 

High pressure will build south into the region, with clear skies to scattered cloud cover.  Winds will be light and variable.  Temperatures will rise into the mid to upper 60s along the coast, upper 60s to lower 70s over the interior, and lower to mid-70s in the Delaware River Valley for highs.

 

TONIGHT

 

Clouds will increase as a low-pressure system approaches from the west.  Winds will be light and variable.  Temperatures will fall into the upper 40s to lower 50s for lows.

 

TOMORROW

 

An area of low pressure will approach the region with increasing clouds through the morning, followed by showers in the afternoon and evening.  Winds will veer to the east at 5 to 15 mph.  Temperatures will rise into the mid to upper 50s over the interior and lower to mid-60s along the coast for highs.

 

SATURDAY

 

An area of low pressure will produce periods of heavy rain throughout the day.  Winds will be from the east at 10 to 20 mph, with gusts over 40 mph at times.  Rainfall amounts of 1" to 3" will be possible for the Philadelphia and New York City metropolitan areas.  Flash flooding, coastal flooding, minor wind damage, and power outages will be a threat.  Temperatures will range from the mid to upper 40s over the interior and upper 40s to lower 50s along the coast for lows and upper 40s to lower 50s over the interior and lower to mid-50s along the coast for highs.

 

SUNDAY

 

The low-pressure system will drop to the south with scattered clouds with isolated showers over the interior and broken cloud cover with scattered showers over the rest of the region.  Temperatures will range from the lower to mid-40s over the interior and mid to upper 40s along the coast for lows and lower to mid-50s for highs.

 

MONDAY THROUGH THURSDAY

 

The area of low pressure will linger off the Mid Atlantic coast through much of next week with scattered clouds and isolated showers over the interior and broken cloud cover with scattered showers along the coast.  Temperatures on Monday through Wednesday will range from the lower to mid-40s over the interior and mid to upper 40s along the coast for lows and mid-50s to lower 60s along the coast and lower to mid-60s over the interior for highs.  Temperatures on Thursday will range from the lower to mid-50s for lows and lower to mid-60s over the interior and mid-60s to lower 70s away from the coast for highs.