A soupy stretch of tropical, hazy, hot and humid air will bring with it the chance for severe thunderstorms across Massachusetts to end the work week.
The dewpoints will steadily rise starting Wednesday through Friday, with the chance of strong storms each day before the sticky air departs for what should be a pleasant summer-like weekend, according to the National Weather Service.
Highs will reach near 90 degrees with a southwest wind on Wednesday before the first chance for storms arrives overnight.
The best chance for severe storms will be Thursday as the most oppressive air moves over the region. Highs will be near 90 degrees, with dewpoints near 70, causing the heat index to threaten 100 degrees.
The NWS said the best chance for severe storms is in the afternoon before 7 p.m. but showers may linger in the evening.
We will do it all over again on Friday with another hot and humid day. Showers are possible in the afternoon with a chance of more severe storms very late in the day.
Rain could linger into early Saturday before the air mass dries out for what should be a very warm and more comfortable weekend.
The NWS is forecasting a high temperature of 89 degrees with a light northeast wind on Saturday.
Sunday is looking like a hot day with winds switching back around to the southwest and a high of 91 degrees.
Here is the current local forecast:
Wednesday: Partly sunny, with a high near 89. Southwest wind 8 to 11 mph.
Wednesday night: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Light north wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: A slight chance of showers between noon and 2pm. Partly sunny, with a high near 81. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. East wind 3 to 6 mph. Chance of precipitation is 40%.
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