The heat index will return to dangerous levels again this afternoon, around 100 degrees, while scattered thunderstorms remain a threat throughout the start of the week. A cold front will produce more widespread thunderstorms by mid-week.
TODAY
A stationary front will produce scattered clouds and isolated thunderstorms. Winds will be from the southwest at 5 to 15 mph. Temperatures will rise into the mid to upper 80s on Long Island, upper 80s to lower 90s along the coast, mid to upper 90s in the Delaware River Valley, and upper 80s to lower 90s over the interior for highs. A heat index in the mid-90s to mid-100s can be expected.
TONIGHT
A stationary front will produce isolated thunderstorms, low clouds, and fog. Winds will be from the southwest at 5 to 10 mph. Temperatures will fall into the upper 60s to lower 70s over the interior and lower to mid-70s along the coast for lows.
TOMORROW
A stationary front will produce scattered showers and thunderstorms. Winds will be from the southwest at 5 to 15 mph. Temperatures will rise into the mid to upper 80s on Long Island, lower to mid-90s along the coast, lower to mid-90s over the interior, and mid to upper 90s in the Delaware River Valley for highs. A heat index in the mid-90s to mid-100s can be expected.
TOMORROW NIGHT
A stationary front will produce isolated thunderstorms, low clouds, and fog. Winds will be from the southwest at 5 to 10 mph. Temperatures will fall into the lower to mid-70s over the interior, mid to upper 70s in the suburbs, and upper 70s to lower 80s in urban areas for lows.
WEDNESDAY
A cold front will move through the region with waves of showers and thunderstorms. Winds will be from the southwest at 5 to 15 mph. Temperatures will rise into the upper 80s to lower 90s over the interior, upper 80s to lower 90s along the coast, and lower to mid-90s in the Delaware River Valley for highs. A heat index in the mid-90s to lower 100s can be expected.
THURSDAY
A cold front will stall over the coastal waters with scattered clouds over the interior and scattered showers and thunderstorms along the coast. Winds will veer to the northwest at 5 to 15 mph. Temperatures will range from the mid to upper 60s over the interior, lower to mid-70s in the suburbs, and mid to upper 70s in the urban areas for lows and lower 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.
FRIDAY
A stationary front will produce broken clouds and isolated thunderstorms. Temperatures will range from the upper 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.
SATURDAY
High pressure will produce scattered clouds. Temperatures will range from the upper 50s to lower 60s over the interior and mid to upper 60s along the coast for lows and lower to mid-80s along the coast and mid to upper 80s away from the coast for highs.
SUNDAY
A warm front will produce scattered showers and thunderstorms. Temperatures will range from the mid to upper 60s over the interior and upper 60s to lower 70s along the coast for lows and mid to upper 80s over the interior, mid to upper 80s along the coast, and upper 80s to lower 90s in the Delaware River Valley for highs.
MONDAY
A cold front will pass through the region with periods of showers in the morning followed by clearing skies in the afternoon. Temperatures will range from the lower to mid-60s over the interior and upper 60s to lower 70s along the coast for lows and mid to upper 80s along the coast, upper 80s to lower 90s over the interior, and lower to mid-90s in the Delaware River Valley for highs.
