A developing coastal storm will produce waves of rainfall tonight through tomorrow.  Unsettled and cool conditions will linger into the Memorial Day Weekend.

TONIGHT

A developing area of low pressure will produce periods of rain, heavy at times.  Winds will be from the east at 5 to 15 mph.  Low temperatures will range from the mid to upper 40s over the interior and upper 40s to lower 50s along the coast.

TOMORROW

An area of low pressure will produce periods of rain, heavy at times.  Winds will back to the northeast at 5 to 15 mph.  High temperatures will range from the upper 40s to the lower 50s over the interior, lower to mid-50s along the coast, and mid to upper 50s in urban areas.

TOMORROW NIGHT

The area of low pressure will slowly exit the region with overcast skies and scattered showers.  Winds will back to the northwest at 5 to 15 mph.  Low temperatures will range from the mid to upper 40s over the interior, mid to upper 40s in the suburbs, and upper 40s to the lower 50s in urban areas.

FRIDAY

A series of troughs will produce cloudy skies and scattered showers.  Winds will back to the west at 5 to 15 mph.  High temperatures will range from the lower to mid-50s over the interior, upper 50s to lower 60s in the Delaware River Valley, and mid to upper 50s along the coast.

SATURDAY

A series of troughs will produce scattered clouds and isolated showers.  Winds will be from the west at 5 to 15 mph.  Low temperatures will range from the mid to upper 40s.  High temperatures will range from the lower to mid-50s over the interior and upper 50s to lower 60s along the coast.

SUNDAY

A trough will produce scattered clouds and isolated showers.  Low temperatures will range from the mid to upper 40s over the interior and upper 40s to lower 50s along the coast.  High temperatures will range from the upper 50s to the lower 60s over the interior and mid to upper 60s along the coast.

MEMORIAL DAY MONDAY

A trough will produce scattered clouds and isolated showers.  Low temperatures will range from the mid to upper 40s over the interior and lower to mid-50s along the coast.  High temperatures will range from the lower to mid-60s over the interior, mid to upper 60s along the coast, and upper 60s to lower 70s in the Delaware River Valley.

TUESDAY

A trough will produce scattered clouds and isolated showers.  Low temperatures will range from the mid to upper 40s over the interior and lower to mid-50s along the coast.  High temperatures will range from the mid to upper 60s over the interior, mid to upper 60s along the coast, and upper 60s to lower 70s in the Delaware River Valley.

WEDNESDAY

An area of low pressure will approach the region with scattered showers.  Low temperatures will range from the lower to mid-50s.  High temperatures will range from the mid to upper 60s over the interior, mid to upper 60s along the coast, and upper 60s to lower 70s in the Delaware River Valley.