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There’s no two ways about it, today is going to be very hot. When you combine the actual temperature and the humidity, it will feel as though temperatures are in the mid 90s for many areas away from the coast and few spots could reach heat indices in the upper 90s for a few hours this afternoon.
High pressure off the coast continues to pump warm and increasingly humid air into the region. If your town reaches 90 again Wednesday, which is likely west and north of Boston, then you will have had a three-day heat wave. This is quite unusual for September, but certainly not unprecedented. Temperatures this afternoon could tie the record of 95 degrees for this time of year, but it’s more likely they'll stay just shy of it.
Eventually, a slow-moving frontal system will bring showers and thunderstorms to the area on Thursday and part of Friday. The exact timing of the front will determine if there is some rain for the season opener of the New England Patriots. There's a 50/50 chance right now that the Pats stay dry or get wet. The most likely scenario is that any rain fall will happen later in the game.
Drier and more comfortable air arrives for the weekend. Temperatures return to seasonal averages and humidity levels fall to where you won’t notice the moisture in the air. There could be a return to unsettled conditions early next week.
Today: Mostly sunny and very hot. Highs 91-96.
Wednesday: Sunny, and hot highs 88-93.
Thursday: Partly sunny and humid. Highs in the mid to upper 80s. Chance of afternoon showers or storms.
Friday: Showers likely, with lots of clouds. Muggy. Highs in the 70s.
You can follow David’s weather updates on Twitter at @growingwisdom.
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