Mickey: Scattered afternoon storms for several days ahead

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With the risky heat and humidity lasting through Tuesday afternoon, there is an Excessive Heat Warning in place for the I-95 corridor until 8PM on Tuesday night.

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. Heat index values as high as 104 degrees are expected, with Western Massachusetts feeling the hottest Tuesday.

Highs should run 87-92 with heat indices 97-105.

Public pool hours are extended until 8 p.m. through Sunday. It's a Code Orange Ozone Action Day with at risk groups threatened.

The pollutant of concern is "ground level ozone concentrations" and "fine particles", according to AccuWeather.

"The biggest heat will be away from the ocean, in the low 90s, maybe the mid-90s up around Lawrence and Lowell", Simpson said. While record temperatures are in the upper 90s to near 100 this time of the year, a few locations may still flirt with record highs. Boston got 3 straight days on Friday, Saturday & Sunday to make it an official heat wave but that was broken Monday by a high of only 83 at Logan.

Clouds begin to clear as the afternoon moves forward.

A Heat Advisory means that a period of high temperatures is expected. Temperatures are expected to drop to to a low around 70 degrees overnight into Monday, the weather service said.

Temperatures will remain a bit cooler on Monday, with a high of 85 and a low of 65, according to a local meteorologist. AccuWeather is making similar predictions.

4th of July fireworks displays should be just fine. Any rain that develops will dissipate by sunset Wednesday.

Simpson said the humidity will probably stick around until later in the week, leaving sometime Friday or Saturday. AAA Mid-Atlantic says July 3 traffic jams can more than double on area roads.

The Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded and air-conditioned areas.

During times of excessive heat, the NWS advises Minnesotans to drink plenty of fluids, wear light clothing, find shade when possible if outside, and to avoid strenuous physical activity outside, if possible.

Children and pets should not be left alone in vehicles, and everyone should watch out for the symptoms of heat exhaustion and heat stroke.