Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

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Last Map Update: Mon, Mar 16, 2026 at 8:16:33 am AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Small Craft Advisory

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Rip Current Statement

Today

Beach Hazards

Caribe Wave 2026

Wind Advisory

Advertencia de Viento

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Windy conditions expected across the islands today. Se esperan condiciones ventosas hoy a través de las islas. #PRwx #USVIwx

[March 15th 6:00 PM AST] UPDATE | ACTUALIZACIÓN A High Rip Current Risk is now in effect for southern beaches of Puerto Rico through Wednesday afternoon. Hay un Riesgo Alto de Corrientes Marinas en las playas del sur de Puerto Rico hasta el miércoles por la tarde. #prwx #usviwx

🌊🚨NWS San Juan invites you to participate in the upcoming Caribe Wave 2026: Tsunami Exercise. 📆This DRILL is scheduled for Thursday, March 19th, 2026, at 11 AM AST. 🔗Register at: tsunamizone.org/register | 🌊🚨El SNM en San Juan le invita a participar en el próximo Caribe Wave 2026: Ejercicio de Tsunami. 📆Este SIMULACRO se llevará a cabo el jueves, 19 de marzo de 2026, a las 11 AM AST. 🔗Regístrese en: tsunamizone.org/register #PRwx #USVIwx #CaribeWave #CaribeWave2026 #Tsunamis #TsunamiPreparedness