Stay cool! Heat advisory, air quality alert in effect Sunday for Darien

A heat advisory is in effect for Darien and the surrounding earea through 9 p.m.  Sunday.

The heat index value could be as high as 104 degrees as per the National Weather Service. A heat advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location.  In cases of heat stroke call 911.

An air quality alert is in also in effect for Fairfield County from 11 a.m. to 11 p.m. Sunday. An air quality alert means the ground level ozone may approach or exceed unhealthy standards. Sunday's air quality is forecasted to range from unhealthy for sensitive population to unhealthy for all. People with lung disease, children, older adults, and people who are active outdoors are considered sensitive groups.

The full forecast shows temperatures remaining high Monday, Tuesday and on Fourth of July, but cooling a bit from Sunday.

On any day, it is not safe to leave pets or children in cars unattended. But on a day with a heat index like Sunday, it can result in rapid, devastating circumstances. According to, a car that is 70 degrees inside can go up to 89 degrees in 10 minutes, and over 100 in 30 minutes. A car that is 94 degrees inside can go up to almost 130 degrees in 30 minutes. Do not leave pets or kids in cars. Ever.

The full forecast:


Mostly sunny, with a high near 94. Heat index values as high as 102. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

Sunday night

Mostly clear, with a low around 73. Light and variable wind.


Sunny, with a high near 89. East wind 5 to 9 mph becoming southeast in the afternoon.

Monday Night

Mostly clear, with a low around 71. South wind 3 to 6 mph.


Sunny, with a high near 86. South wind 3 to 8 mph.

Tuesday Night

Partly cloudy, with a low around 72.

Independence Day

Mostly sunny, with a high near 89.

Wednesday Night

A 30 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 71.