National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Last Update: 211 AM PST SUN DEC 21 2014

View Nearby Observations

Coastal waters from Cascade Head to Florence OR out 10 nm

Marine Zone Forecast




...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH MONDAY AFTERNOON...

  • SynopsisHIGH PRES WILL SLOWLY BUILD OVER THE NE PAC TODAY AND MON. ANOTHER FAST MOVING FRONT WILL PUSH ACROSS THE REGION LATER TUE. AFTERWARDS...HIGH PRES WILL BUILD AGAIN OVER THE COASTAL WATERS.
  • Today W wind 15 to 20 kt. Gusts to 25 kt. Wind waves 5 ft. W swell 14 to 16 ft at 14 seconds...highest over the outer waters. Rain at times.
  • Tonight W wind 10 to 15 kt early...then becoming NW 10 kt. Wind waves 3 ft. W swell 13 to 14 ft at 13 seconds. Rain likely.
  • Mon NE wind 10 kt...veering to SE in the afternoon. Wind waves 2 ft. W swell 12 to 13 ft at 13 seconds.
  • Mon Night SE wind 10 kt...becoming S 10 to 20 kt overnight. Wind waves 3 ft. W swell 12 ft at 13 seconds.
  • Tue S wind 15 to 20 kt. Gusts 25 kt in the afternoon. Wind waves 4 ft. W swell 11 ft at 18 seconds.
  • Wed NW wind 15 to 20 kt. Wind waves 4 ft. W swell 13 ft.
  • Thu N wind 15 to 20 kt. Wind waves 3 ft. W swell 11 ft.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Cascade Head to Florence OR out 10 nm
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