Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

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Last Map Update: Mon, Aug 18, 2025 at 5:21:09 am AST

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Flood Watch Through Monday!

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[8 PM · Aug 17 ] 🌴🌊 Hurricane Erin has moved away from Puerto Rico and the U.S. Virgin Islands (about 300 miles NW of San Juan), but the Atlantic hurricane season is in its peak (July 15–Oct 15). A tropical wave near the Cabo Verde Islands is being monitored. Development is currently low (0% next 48 hrs) but could reach 40% over the next 7 days. Residents and visitors should stay alert and review hurricane preparedness plans. | 🌴🌊 El huracán Erin se aleja de Puerto Rico y las Islas Vírgenes (unas 300 millas al noroeste de San Juan), pero la temporada de huracanes está en su pico (15 de julio–15 de octubre). Se monitorea una onda tropical cerca de las islas de Cabo Verde. Desarrollo: 0% próximas 48 hrs, 40% próximos 7 días. Mantente atento y revisa tus planes de preparación.

A Flood Watch is in effect through Monday evening for Puerto Rico, Vieques, Culebra, and the U.S. Virgin Islands. Additional rainfall amounts 1 to 2 inches, with isolated amounts of 4 inches. Heavy rainfall may cause or exacerbate flooding of low-lying areas, rivers, creeks, and roads. Residents and visitors are urged to turn around, don’t drown, and avoid driving or walking through flooded areas.

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY AFTERNOON... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST MONDAY... Large breaking waves of 7–13 feet will produce life-threatening rip currents, along northwest, north and east-facing beaches of Puerto Rico, Vieques, Culebra, and U.S. Virgin Islands. As a result, High Surf Advisories remain in effect through 6 AM on Monday and a High Rip Current Risk through 6 PM on Monday. Small Craft Advisories remain in effect across the offshore Caribbean waters, Anegada Passage, and eastern waters of Puerto Rico through Monday morning and across the Atlantic Waters, northwestern coastal waters of Puerto Rico and the Mona Passage through Monday afternoon.

[Aug 17th] The 5 Day Weather Outlook from August 18-22 for Puerto Rico and the U.S. Virgin Islands. | La perspectiva del tiempo a 5 días desde el 18-22 de agosto para Puerto Rico y las Islas Vírgenes Estadounidenses. #PRwx #USVIwx