Heat/Humidity - High temperatures in the Champlain and Connecticut valleys are expected to reach the low 90s this afternoon under partly to mostly sunny skies. Combined with dewpoints in the mid-upper 60s, heat index values will generally peak in the 92-94 range, with a few spots reaching a heat index of 95 degrees for an hour or two. See attached graphic for expected maximum heat index values this afternoon. Strenuous outdoor activities should be limited accordingly. For more information on Heat Index/Heat Safety visit https://www.weather.gov/safety/heat
Strong/Severe Thunderstorms - Scattered showers and thunderstorms are expected to develop this afternoon. A few strong to severe storms are possible this afternoon into the early evening hours. The primary threat will be isolated damaging winds up to 60 mph, but cloud-to-ground lightning and brief heavy rainfall can also be expected. If thunderstorms persist over any one location, then localized flash flooding will also become a concern. If you have outdoor plans this afternoon and evening, please monitor the latest weather conditions and have a plan for shelter if threatening weather approaches your location.