The heat wave that started last weekend will continue through the Fourth of July holiday this week.

According to the National Weather Service, a heat advisory remains in effect for southern Connecticut Monday, July, 2, with temperates expected to reach as high as 98 degrees Fahrenheit.

The heat index is forecasted at 100 in some parts Fairfield County, the weather service said in its advisory message to residents at 5 a.m. Monday morning.

Rising temperatures may cause heat stress during outdoor exertion or extended exposure. They are expected through 9 p.m. this evening, according to the National Weather Service's forecast.

A heat advisory is put in effect when the maximum apparent temperature is greater than 95 degrees for two consecutive days.

Ridgefield temperatures were reportedly as high as 97 degrees Sunday, July 1.

The max heat index value in Danbury Tuesday, July 3, is forecasted at 95.

The heat index is supposed to dip again Wednesday— to 93 degrees — for the Fourth of July holiday.

"Prolonged period of heat index values of at least 95 expected through the Fourth of July, the weather service added in its message. "Heat related illnesses possible through this time period, especially for at-risk populations such as the elderly, very young, and those with mental illnesses."

There will be another briefing at 6 p.m. tonight — Monday, July 2.

For more information, visit www.weather.gov/okx/