An expansive ridge of high pressure is bringing excessive heat and high humidity to much of the eastern 2/3rd of the nation this week. Dew point values are in the 70s from South Florida all the way to southern parts of Canada.Locally, our dew point is sitting in the 65 to 70F range this morning (down slightly from yesterday thanks to a light easterly wind) and will generally hold steady through the day today. That, combined with temperatures in the 80s, will make for another uncomfortable day today across the area – though not quite as tough to take as Sunday’s weather which saw readings top out in the 90s with dew point values in excess of 70F.
Unfortunately, the humidity is going nowhere and fast…and if anything, will worsen in the coming days.
Light easterly wind courtesy of a small bubble of high pressure sliding by to our north will turn back to the south today and remain in place through the remainder of the week. That south and southwest flow of air will transport very humid air into the region right through Friday.
Don’t anticipate any meaningful relief from the humidity until later Friday night and into Saturday when a cold will finally cut through the Northeast and New England and deliver a punch of drier air to the region.