Summer-like heat and humidity is expected to impact Connecticut this weekend, with highs in the 90s and heat index values between 95 and 100, the National Weather Service said Thursday. The sweltering temperatures are forecast for Saturday and Sunday in areas north of the coast, the agency said. \u201cSaturday night will be especially uncomfortable with dew points in the mid to upper 60s and overnight lows struggling to fall below 70,\u201d the agency said in a bulletin for northern Connecticut. \u201cMore seasonable temperatures return next week. Ahead of the heat, northwestern Connecticut could see \u201cisolated, non-severe thunderstorms\u201d Thursday afternoon, the National Weather Service said. Rain is expected to continue Thursday throughout the morning, with a chance of more rain later in the day, according to the NWS forecast. The high for the day should be cooler, with temperatures reaching around 60 degrees. The rain should end later in the day with clear skies overnight and a low in the lower 50s, the weather service said. The sun returns Friday with a high in the mid 70s for coastal regions and around 80 inland. There\u2019s a chance of showers along the coast overnight with a low in the upper 50s to low 60s. Saturday will be sunny and hot, with a projected high around 97 degrees in the greater Hartford area, while areas along the coast will experience temperatures in the upper-80s. Light winds around 5 to 9 mph may provide some respite from the heat, the weather service said. Overnight, the temperature is only expected to drop to around 70 inland, and in the mid-60s along the coast. The sunny and hot weather is expected to continue Sunday when the high will reach around 91 in the greater Hartford area and in the mid-80s along the coast. Showers on Sunday night is expected to cool off temperatures, the weather service said.