The National Weather Service in Taunton has issued a Flash Flood Watch for all of Rhode Island and Southeastern Massachusetts.
Rain will reach the Southern Connecticut coast around 8 AM. It will get to Hartford and Providence around 10 AM and it will reach Southern Worcester County around 1030 AM. In Southeastern MA rain starts closer to 11 AM and on the Cape noontime. Between 11 AM and 2 PM, strong thunderstorms are possible along the CT/RI/MA Southern Coastlines. Heavy rain will extend up to the Northern CT/RI/MA border. Heavy rain will also extend into Southeastern Worcester County for a time Friday afternoon, but the greatest threat is where the flash flood watch is.
Rain will fall over 1″ per hour according to this model early tomorrow afternoon where the radar is yellow, red, and orange. There Weather Prediction Center (WPC) has the South Coast of New England in a slight risk for flash flooding.
Showers are expected to move offshore in time for the show at Fenway Park tomorrow evening. The seats may be wet so be aware of that. Total rainfall over the next 24 hours will be highest at the coast. Up to 2″ of rain is possible in some places. Widespread totals of 1-1.5″ will be possible in Southern CT/RI/MA. 0.3-0.5″ will fall in the Blackstone Valley.
Temperatures will be in the upper 60’s/low 70’s tomorrow south of the Pike. North of the Pike temperatures will max in the upper 70’s. It will feel tropical with dew points in the mid to upper 60’s. The rest of the weekend forecast and more details on tomorrow can be found here.