Rising humidity ahead of potentially severe thunderstorms Tuesday – NBC Boston


After a fabulous weekend with hot and dry conditions, today we will begin to transition into warmer and more humid air.

We will see plenty of sunshine today with warm temperatures across much of the region. The only exception will be northern Maine where we will see more cloud as well as a morning and afternoon wandering shower/sprinkler as a system passes well to the north.

The day will begin with dew points within a tolerable range. But as we move further into the afternoon the southerly winds will increase bringing in a more humid air mass and making it a little stickier this evening and especially overnight.

Highs will reach the mid 80s with slightly cooler temperatures along the southern coast and far northern Maine. Lows tonight will be mostly in the 60s in the north to about 70s in the south with some passing clouds and gusty southwest winds.

Turn on those air conditioners as the heat and humidity are back on Tuesday with highs reaching the upper 80s over 90s and dew points reaching the 60s!

A few showers and thunderstorms will pass through central and northern New England early in the morning, some may creep into southern areas as well, but most will weaken and dry out mid to late of the morning. It will be hot, humid and windy through the afternoon with a few showers and isolated thunderstorms, but most areas will remain dry.

A few more showers and thunderstorms will develop in the late afternoon and evening as a cold front moves through the region. Some of the storms can be strong to severe, with the main threat being gusty winds and hail. There is still some uncertainty about the timing of the front, which will be crucial in determining the intensity of the downpours and storms.

Anyway, we put the first warning stamp on Tuesday in our exclusive 10-day forecast due to the potential for severe storms. The severe threat will end early Tuesday evening, but a few showers and thunderstorms could persist late into the night.

The heat and humidity will stay with us through Wednesday with a slight chance of afternoon showers and thunderstorms. Drier and slightly cooler air arrives on Thursday and Friday, but we will still keep the threat of afternoon showers in the forecast as the air will still be a bit choppy.


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