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Tropical conditions to start September

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September will start off unsettled, warm, and rather humid as a series of disturbances move through New Jersey the next several days. This will mean unsettled conditions for Labor Day, today, with the potential for showers capable of tropical downpours.

Today, scattered to overcast cloud cover can be expected with the threat for widely scattered showers and thunderstorms. The highest threat for showers and thunderstorms will be south and east of Philadelphia and New York City, over southern New Jersey and coastal central New Jersey. Still, any location through this afternoon will be at threat for showers and thunderstorms capable of very heavy downpours. There is only an isolated threat for severe thunderstorms today. The strongest thunderstorms will be capable of wind gusts over 40 mph, frequent lightning, small hail, and heavy downpours with rainfall amounts of one to two inches per hour. Winds will be from the southwest at 5 to 15 mph. Temperatures will rise into the mid to upper 80's throughout New Jersey with humid conditions.

Tonight, scattered cloud cover can be expected with areas of fog developing towards morning. The fog will be locally dense with visibility falling below 2 miles in some locations. Winds will be from the southwest at around 5 mph. Temperatures will fall into the upper 60's to lower 70's for lows.

Tomorrow, scattered cloud cover will be in place through the afternoon hours with hot and humid conditions expected. Winds will be from the southwest at 5 to 15 mph. Temperatures will rise into the upper 80's to lower 90's in the Delaware River Valley and mid to upper 80's over coastal and northeastern New Jersey with high levels of humidity expected.

A cold front will follow tomorrow night into Wednesday morning with scattered showers and thunderstorms. The strongest thunderstorms will be capable of wind gusts over 50 mph, frequent lightning, hail, and very heavy downpours. Tropical downpours will be a threat once again. Winds will veer to the northwest at 5 to 15 mph. Temperatures will fall into the mid to upper 60's for lows on Wednesday morning.

Skies will clear on Wednesday afternoon with scattered clouds in place and dry conditions taking hold. Temperatures will remain above normal for this time of year in the mid 80's for highs.

High pressure will be in control for Wednesday night on through Friday with clear skies to scattered cloud cover. Temperatures will remain above normal with highs closer to mid August normal than early September. Low temperatures will range from the upper 50's to lower 60's on Thursday and lower to mid 60's on Friday. High temperatures will range from the mid to upper 80's for highs throughout the region.

A cold front will follow on Saturday with scattered showers and thunderstorms expected. A few of the thunderstorms may be severe. Temperatures will range from the mid to upper 60's for lows and mid 80's for highs.

Canadian high pressure will take hold by Sunday with a return to near normal temperatures. Low temperatures will range from the lower to mid 50's over northwestern New Jersey and upper 50's to lower 60's along the coast. High temperatures will range from the mid to upper 70's over northwestern New Jersey and along the immediate coast and upper 70's to lower 80's throughout the rest of New Jersey.

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