Aug 3, 2018
Bermuda High Pressure offshore delivered heat and humidity to Massachusetts. Heat indices in Eastern Massachusetts climbed into the lower 100s on the 2nd, but not high enough for an Excessive Heat Warning. Heat Index values climbed into the 90s on the 3rd. This tropical weather allowed a few strong thunderstorms over Western Massachusetts both days, with reports of flooding from downpours on the 3rd.
Source: NOAA National Weather Service Storm Events Database (event 778048). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Franklin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.