Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

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Last Map Update: Tue, Mar 10, 2026 at 6:44:25 pm AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Small Craft Advisory

Tonight

Small Craft Advisory

Radar

Quick brief passing showers are expected this evening across the region, mainly over interior, western and southwestern PR as well as the USVI. Breezy conditions are expected to continue. #prwx #usviwx

[Mar 10 | 5:00 AM AST] 🚤🌊 A Small Craft Advisory remains in effect for most regional waters today. Conditions are hazardous for small craft. Inexperienced mariners should avoid navigating in these conditions. ***** 🚤🌊Una Advertencia para Operadores de Embarcaciones Pequeñas permanece en efecto hoy para la mayoría de las aguas regionales. Las condiciones son peligrosas para embarcaciones pequeñas. Los navegantes sin experiencia deben evitar navegar bajo estas condiciones. #prwx #usviwx

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

NWS San Juan, PR