National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Last Update: 341 PM EST SAT DEC 20 2014

View Nearby Observations

Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm

Marine Zone Forecast





  • SynopsisHIGH PRESSURE WILL EXTEND SOUTH OVER THE WATERS TONIGHT INTO SUNDAY. LATE SUNDAY NIGHT AN AREA OF LOW PRESSURE WILL EMERGE FROM THE GULF OF MEXICO THEN MOVE UP THE COAST MONDAY. A FRONT TRAILING THE LOW WILL STALL OFF THE COAST MONDAY NIGHT THEN MOVE ONSHORE TUESDAY. LOW PRESSURE MOVING THROUGH THE OHIO VALLEY WEDNESDAY WILL PUSH A COLD FRONT ACROSS THE WATERS WEDNESDAY NIGHT. HIGH PRESSURE WILL BUILD IN FROM THE WEST ON THURSDAY.
  • Tonight NE winds 15 to 20 kt...diminishing to 10 to 15 kt late. Seas 3 to 5 ft. Rain early...then a chance of rain this evening. A slight chance of rain after midnight.
  • Sun NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
  • Sun Night E winds 20 to 25 kt. Seas 4 to 6 ft. Rain.
  • Mon NE winds 15 to 20 kt. Seas 3 to 5 ft. Rain.
  • Mon Night N winds 10 kt. Seas 2 ft. A chance of rain.
  • Tue E winds 10 kt or less. Seas 2 to 3 ft. Rain likely.
  • Tue Night SE winds 10 to 15 kt...becoming S 15 to 20 kt after midnight. Seas 3 to 4 ft...building to 4 to 6 ft after midnight. Showers.
  • Wed SW winds 20 to 25 kt...becoming W. Seas 5 to 8 ft...building to 6 to 9 ft. Showers through the day.
  • Thu W winds 20 to 25 kt...diminishing to 15 to 20 kt. Seas 4 to 6 ft...subsiding to 3 to 5 ft.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm
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