Sunshine and seasonable temperatures last into tomorrow. As high pressure departs to the east tomorrow night, south and then southwesterly winds will bring in a warmer and more humid airmass Friday night and Saturday. A cold front passage on Saturday will ensure that the humidity is short lived. Hit or miss shower and thunderstorm activity will develop Saturday afternoon. Sunny, warm and dry weather returns from Sunday on into the middle of next week.
Discussion: Heights continue to build as a broad upper level ridge over much of the south central US extends eastward into New England. Attention then turns to longwave upper level trough which will approach this weekend send a cold front south into New England by Saturday. The trough moves through from northwest to southeast late Saturday into Sunday. Will have to track its position as we go through the week, but right now there appears to be some building surface based instability in the forecast with a warm and humid airmass advecting into the region ahead of the front, but the best upper level forcing for organized thunderstorm development is still progged to be north of us.
At the surface high pressure will crest over the region tonight and tomorrow. As it slides to the east, southeasterly wind flow will gradually shifts south and then southwest as the high slowly departs Friday. A cold front approaches Friday night and and passes by Saturday. High pressure returns by the beginning of next week.
Seven Day Graphic:
Meteorological Muses 
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