From the National Weather Service:
Special Weather Statement National Weather Service Taunton MA 406 PM EDT Fri Oct 6 2017 MAZ020>024-RIZ002>008-070300- Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA- Nantucket MA-Southeast Providence RI-Western Kent RI- Eastern Kent RI-Bristol RI-Washington RI-Newport RI- Block Island RI- Including the cities of Fall River, New Bedford, Mattapoisett, Chatham, Falmouth, Provincetown, Vineyard Haven, Nantucket, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 406 PM EDT Fri Oct 6 2017 ...Areas of Dense Fog Possible Later This Evening and Overnight... A warm front will lift northward into the region tonight and may be accompanied by areas of dense fog later this evening and into the overnight hours. The region of greatest risk for dense fog is the south coast of Massachusetts and Rhode Island. This includes Cape Cod, the Islands and possibly as far north as Providence to Plymouth. However uncertainty exist on the areal extent and especially how far inland dense fog would traverse. If any of these details become more certain a dense fog advisory may be issued later this evening. Stay tuned to later forecasts and discussions for updates.