Temperatures were in the 90s from Chicago to New York City on Saturday, including a high of 96 degrees in Newark, New Jersey, 95 degrees in Philadelphia and 93 degrees in Central Park. As hot as it was, there were no records tied or broken.
The heat and humidity will create uncomfortable conditions, especially today.
The risk of thunderstorms on Monday is low, however there is a slight chance on Tuesday.
Sea surface temperatures have really warmed up over the past couple of weeks and are now in the 69-70 degree range.
Even through we didn't have much in the ways of storms today.
There are excessive heat warnings from the midwest to east coast due to high humidity levels.
Clouds clear and so does the patchy fog.
The excessive heat warning remains in effect until 7 p.m. Sunday, according to the National Weather Service.
Philadelphia, which hit 92 degrees on Sunday with a heat index of 105, similarly sounded the alarm to its residents and visitors about the unsafe heat.
One difference from Saturday, winds will be a bit more brisk at times, gusting to near 20 miles per hour out of the south.
Because of the humidity, the 90s are feeling more like 100 to 105.
Wear lightweight, light-colored clothing.
The Massachusetts Emergency Management Agency's social media account says temperatures will be dangerously hot this weekend and advises people to stay hydrated and check on children, the elderly and pets for heat-related illness. Rain chances continue to be peppered into the forecast around the 4 of July holiday.
Priante said Lehigh Valley residents likely won't feel any real relief until a minimum of Wednesday, July 4 for Independence Day. While mother nature may have her own fireworks display, it's still nothing to cancel the outdoor plans over at this point, just have a backup plan. Above: Heat index readings across southern New England. Highs will attempt to reach the low-90s after a muggy morning start in the mid-70s. Slim pop up storm chance late. In fact, temperatures will be in the mid to upper 80s with RH values at 50%-60%. Leave them where they are cool and safe.