In Hartford, the National Weather Service issued another heat advisory starting at 10 a.m. The combination of high temperatures and high humidity will create a situation in which heat illnesses are possible.
There may be scattered clouds this afternoon, but abundant sunshine will effectively add another 5 to 15-degrees to the heat indices, making conditions extremely unsafe. The biggest risk with these storms is heavy rain and lightning. A spotty thunderstorm can't be ruled out later in the day or evening, especially in northern and western areas, but most areas will be dry for picnics and fireworks.
Temps come way down on Friday with even cooler air for the weekend.
The criteria for an excessive heat warning is a heat index of 105° F or greater that will last for 2 hours or more.
Tonight most of our showers and storms should dissipate after 8pm. Although we will see some occasional dips in the daily temperatures, the trend shows longer periods of highs in the 90s locking in frequently.
Most of ME is heading into a stretch of heat and humidity that won't subside until Friday at the earliest, the National Weather Service in Gray said Sunday. As of now, storms that develop could be potent, potentially strong to severe... we'll keep you updated as we get closer in time.
Hot, humid weather to continue through the week
The Atlantic region's heat wave is expected to break midweek, and Southern Ontario's should only last until Friday. Montreal health officials are blaming the heavy heat and humidity for at least six deaths in recent days.
There is a 40 percent chance of rain on Independence Day in the Hartford area, although temperatures will remain in the 90s.
Tuesday night: Clear skies with temperatures dipping down into the high 70s. The heat is expected to stick around through the Fourth of July. At the emergency room the man's internal temperature reached 108 degrees, damaging his brain.
The prolonged heat forecast prompted a special warning Sunday from the Maine Department of Environmental Protection's Air Quality Bureau.
SUNDAY: Sunny, comfy. High: Low-mid 80s.
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