An unusual May heat wave in the Northeast this weekend will cause dozens of record high temperatures to be shattered along the I-95 corridor, which could be dangerous since many are unaccustomed to extreme heat.
Mid-90s are expected to the north and west of New York City, with Philadelphia and Trenton hitting 96 Saturday afternoon.
New York City will get a bit of a respite compared to the rest of the Northeast due to cool water temperatures, with highs expected to top out in the mid-80s there throughout the weekend.
Boston will have a high of around 80 on Saturday, but the high is expected to soar to 97 on Sunday.
The all-time high for the month of May in Boston was set on May 26, 1880.
The heat index in the Northeast will be around 100 due to the hot temperatures and high humidity.
More than 35 million people. There are many Americans in the Northeast under a heat advisory. According to the Washington Post, this is the earliest heat advisory ever issued for Boston and New York City.
The National Weather Service noted in a Saturday morning forecast discussion that this will be the warmest day of the year so far.
The heat is caused by an enhanced ridge of high pressure known as the Bermuda High, which is parked over the Atlantic Ocean during the summer, and which is best known for influencing the track of hurricanes. Climate scientists warn that more intense and more frequent heat waves will be among the most immediate changes in a warming world.
Less than a year ago, the U.S. experienced one of the most extreme heat waves ever recorded. Portland, Oregon, hit 116 on June 28, 2021, as the highs in coastal cities in Washington and Oregon, which are typically around 70 in early summer, soared above 120. In Canada, the village of Lytton, British Columbia, set the country's all-time record high three days in a row, topping out at 121 on June 29, 2021, before a wildfire fueled by the hot, dry and windy conditions engulfed the village, destroying nearly every structure.
A late-season winter storm dumped around a foot of snow in Colorado Springs on Saturday, blanketing much of Colorado including Denver. The forecast high is 86 in Denver on Friday.
The historic heat wave hit the Pacific Northwest and Canada.
The totals for May 21, 2022, in Colorado.
Unusually high winds are blowing across the country.