Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

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Last Map Update: Thu, Jan 22, 2026 at 2:42:48 am AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Small Craft Advisory

Rip Current Statement

Breezy with Showers

Marine & Coastal Hazards

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[Jan 21st] A surface trough will gradually deteriorate weather conditions, increasing the potential for showers and isolated thunderstorms tomorrow, Thursday. Breezy to windy conditions will continue tomorrow as well. | Una vaguada en superficie deteriorará gradualmente las condiciones meteorológicas, aumentando la probabilidad de aguaceros y tronadas aisladas mañana, jueves. Las condiciones de brisa fuerte a ventosas, también persistirán mañana. #PRwx #USVIwx

[Jan 21st] ⚠️HAZARDOUS MARINE AND COASTAL CONDITIONS⚠️ 🌊Small Craft Advisories and High Risk of Rip Currents in effect. ⚠️⛵Seas up to 6 to 9 feet. ⚠️🏊Breaking Waves up to 6 to 7 feet. [21 de ene] ⚠️CONDICIONES MARÍTIMAS Y COSTERAS PELIGROSAS⚠️ 🌊Advertencias para Embarcaciones Pequeñas y Riesgo Alto de Corrientes Marinas en efecto. ⚠️⛵Oleaje de hasta 6 a 9 pies. ⚠️🏊Olas Rompientes de hasta 6 a 7 pies. #PRwx #USVIwx

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

NWS San Juan, PR