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Warm conditions won't last long

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The first week of September certainly has been warm, in some cases hot, however these Summer like conditions won't last much longer as a cold front drives through the region on Saturday night.

Today through tomorrow, high pressure will continue to drift to the east of New Jersey with clear skies to scattered cloud cover. Light and variable winds will redevelop out of the southwest by tomorrow afternoon. Temperatures will average above normal with lows in the mid to upper 60's and highs in the mid to upper 80's.

On Saturday, a strong cold front will charge through New Jersey in the late afternoon and evening with showers and thunderstorms. The strongest thunderstorms will be capable of very heavy downpours, frequent lightning, hail, and wind gusts over 40 mph. Localized flash flooding will be a threat due to intense heavy downpours. Temperatures will range from the upper 60's to lower 70's for lows and mid to upper 80's for highs.

Canadian high pressure will build into New Jersey on Sunday with clearing skies throughout the region. The humidity will be crashing as a fresh, cool Polar air mass takes hold. Temperatures will range from the lower to mid 60's for lows and upper 70's to lower 80's for highs.

High pressure will remain in control for Monday and Tuesday with scattered cloud cover. An area of low pressure will approach on Wednesday with scattered showers in the afternoon. Temperatures will average near normal for the start of next week. 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 along the coast and upper 70's to lower 80's over the Delaware River Valley.