Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

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Last Map Update: Sat, Aug 16, 2025 at 6:08:58 pm PDT

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Flood Advisory

Small Craft Advisory

Special Weather Statement

Cool Weekend; Becoming Warmer Next Week

The weekend will remain relatively cool for most areas thanks to the marine layer and onshore winds. This will translate to patchy to areas of drizzle and/or very light rain largely along coastal regions. This will keep temperatures below normal through Tuesday. Thereafter, a mid-level high pressure system will drift to the west resulting in weaker onshore flow, limiting the inland reach of the marine layer (the coast will likely remain cloudy and cool). This will translate to hotter conditions and pockets of Moderate HeatRisk across the interior. Check back for updates to the forecast.

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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

NWS Forecast Office San Francisco, CA