070 FPCA72 TJSJ 271708 NOWSJU SHORT TERM FORECAST NATIONAL WEATHER SERVICE SAN JUAN PR 108 PM AST Thu Jul 27 2017 PRZ001-004>006-008>010-271915- SAN JUAN AND VICINITY-EASTERN INTERIOR-NORTH CENTRAL- CENTRAL INTERIOR-NORTHWEST-WESTERN INTERIOR-MAYAGUEZ AND VICINITY- 108 PM AST Thu Jul 27 2017 .NOW... For the next couple of hours, showers and isolated thunderstorms are expected to develop across these areas. Periods of moderate to heavy rainfall, gusty winds and lightning strikes are possible across these areas and surrounding municipalities as the activity will move slowly west northwest. The rainfall can lead to ponding of water on roads and low lying areas as well as hazardous driving conditions. $$ ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/: HTTP://WWW.WEATHER.GOV/SANJUAN