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NWS Warns of USVI Flooding Risk as Thunderstorms and Rising Surf Threaten Weekend

  • Staff Consortium
  • November 06, 2026

Showers and thunderstorms are expected across the territory Friday night and Saturday, with forecasters warning that slow-moving downpours could cause localized flooding. St. Croix faces an 80 percent chance of rain Saturday, while the forecast for St. Thomas and St. John puts the chance at 70 percent. The National Weather Service in San Juan’s 2:43 p.m. AST forecast issued Friday, Nov. 6 calls for a 70 percent chance of rain across all three islands Friday night, with numerous showers and isolated thunderstorms. Southwest winds are expected at 10 to 15 mph, with gusts reaching 25 mph in the northern islands overnight and on St. Croix Saturday. In its 4:04 p.m. forecast discussion, the NWS said a low-pressure system north of the region and a disturbance higher in the atmosphere would continue drawing Caribbean moisture across the islands. As that disturbance moves east Friday night, showers and strong thunderstorms are expected to focus increasingly on the USVI and eastern Puerto Ric...