As temperatures slowly moderate to near normal levels by his weekend, a storm brewing in the Gulf of Mexico will bring periods of rain to the immediate coast to end the week.
Today through tomorrow morning, scattered to broken cloud cover can be expected as high pressure slides to the north of the Philadelphia and New York City metropolitan areas. Winds will be from the north and northeast at 5 to 15 mph, increasing to 10 to 20 mph by tomorrow afternoon. Temperatures will rise into the upper 20's to lower 30's for highs this afternoon and fall into the lower to mid 10's over the interior and upper 10's to lower 20's along the coast for lows tomorrow morning.
The area of low pressure in the Gulf of Mexico will lift north towards the Virginia coast on Friday afternoon and then exit due east into the Atlantic Ocean by Saturday morning. The most widespread impact on the region from this storm will be the winds, sustained at 15 to 30 mph from the east and northeast then backing to the northwest by Saturday morning. While the interior will remain generally dry with just a few isolated showers possible, the immediate coast can expect periods of rain. The heaviest rain will fall over southern New Jersey with around a half an inch to an inch of rain is possible for Atlantic City, New Jersey on south. The rest of the coastal plain from the Delaware River on east can expected a few showers capable of some heavy downpours and rainfall amounts up to a quarter of an inch in most locations. Some sleet may mix in at times however no accumulation is expected. Temperatures will range from the upper 30's to lower 40's for highs on Friday afternoon and upper 20's to mid 30's for lows on Saturday morning, after the storm leaves.
Scattered to broken clouds are expected Saturday on through Tuesday with much warm conditions on the way. A few disturbances may produce a passing shower or two, but most locations will remain dry through this period. Temperatures on Saturday and Sunday will range from the upper 20's to lower 30's for lows and mid to upper 40's for highs. Temperatures on Monday will range from the upper 20's to lower 30's for lows and upper 40's to lower 50's for highs. Temperatures on Tuesday will range from the mid to upper 30's for lows and mid to upper 50's for highs.
An area of low pressure will approach from the Tennessee River Valley on Wednesday with a rain/snow mix along the coast and a heavy wet snowfall over the interior. Significant snowfall accumulations are possible with this storm, however the location, strength, and timing of this storm are still very much unknown. Temperatures will range from the lower to mid 30's for lows. High temperatures will range from the lower to mid 30's over the interior, upper 30's to lower 40's over the New York City metropolitan area, and mid to upper 40's over the Philadelphia metropolitan areas.