Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

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Last Map Update: Mon, Dec 15, 2025 at 7:20:56 pm AST

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Weekly Outlook | Perspectiva para la semana

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[Dec 15] Happy Monday! ☕🎄 Expect variable weather conditions today! An increase in moisture will drive showers and cloudiness across the USVI and Puerto Rico throughout the day. ***** ¡Feliz lunes! ☕🎄 ¡Se esperan condiciones de tiempo variables hoy! Un aumento en humedad provocará aguaceros y nubosidad en las Islas Vírgenes Americanas y Puerto Rico a lo largo del día. #PRwx #USVIwx

[DEC 15] Hazardous marine conditions will persist across the offshore Atlantic waters until conditions improve (after 8 PM). Las condiciones marítimas peligrosas persistirán a través de las aguas abiertas del Atlántico hasta que mejoren las condiciones (después de las 8 PM) #prwx #usviwx

[Semana del lunes 15 de diciembre al viernes 19 de diciembre] Se pronostica una semana variable, con un aumento en los aguaceros desde el martes hasta el miércoles debido al acercamiento de un frente frío 🌧️. Además, se esperan condiciones marinas más peligrosas por la llegada de una marejada del norte a las aguas costeras del norte 🌊, lo que provocará condiciones peligrosas en las playas y un alto riesgo de corrientes marinas ⚠️🏊‍♂️. [Week from Monday, December 15 to Friday, December 19] A variable week is forecast, with an increase in showers from Tuesday into Wednesday due to the approach of a frontal boundary 🌧️. Additionally, more hazardous marine conditions are expected as a northerly swell arrives along the northern coastal waters 🌊, resulting in hazardous beach conditions and a high risk of rip currents ⚠️🏊‍♂️. #prwx #usviwx