 And the National Weather Service has issued a heat advisory until 8 o'clock tonight for all of Fairfield County. Forecast calls for the temperature to be about 90 degrees. Humidity will make it feel like 100. Seniors and those with chronic health problems are at an increased risk of heat-related illness. Service also warns that homes without air conditioning can become hotter than the outside temperature. WGCA 2 Center time is 8-10.