A strong cold front brings an end to the heatwave and the threat of thunderstorms.  A cooler weather pattern returns tomorrow through early next week.

A strong cold front will move through the region today with scattered showers and thunderstorms through this afternoon.  The thunderstorms will be capable of heavy downpours, frequent lightning, hail, and wind gusts over 40 mph.  Winds will be from the south at 5 to 15 mph.  Temperatures will rise into the upper 70s to mid-80s over the interior, mid to upper 80s along the coast, and upper 80s to lower 90s in the Delaware River Valley for highs.

High pressure will build into the region tonight through tomorrow with clear skies to scattered clouds.  Winds will be from the northwest at 5 to 15 mph.  Temperatures tomorrow will range from the mid-50s to lower 60s over the interior and mid to upper 60s along the coast for lows and upper 70s to lower 80s over the interior, lower to mid-80s along the coast, and mid to upper 80s in the Delaware River Valley for highs.

High pressure will pass to the north on Monday with scattered to broken cloud cover expected.  Winds will veer from the northwest to the east at 5 to 15 mph.  Temperatures on Monday will range from the lower to mid-60s over the interior and mid to upper 60s along the coast and Delaware River Valley for lows and upper 70s to lower 80s along the coast and mid to upper 80s away from the coast for highs.

A stationary front will slowly lift towards the region Tuesday through Wednesday with increasing clouds and isolated to widely scattered showers.  Temperatures on Tuesday will range from the mid-60s to lower 70s for lows and upper 70s to mid-80s for highs.  Temperatures on Wednesday will range from the upper 60s to mid-70s for lows and upper 70s to mid-80s for highs.

The remnants of Tropical Depression Fred and a warm front will produce periods of rain on Thursday and Friday.  The rain will be heavy at times.  Temperatures on Thursday will range from the upper 60s to lower 70s over the interior and lower to mid-70s along the coast for lows and upper 70s to lower 80s for highs.  Temperatures on Friday will range from the upper 60s to lower 70s for lows and upper 70s to lower 80s along the coast and lower to mid-80s away from the coast for highs.

A weak trough will produce scattered clouds with isolated showers on Saturday.  Temperatures will range from the upper 60s to mid-70s for lows and lower to mid-80s for highs.