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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Current Conditions

Greater Portland Metro Area

Zone Forecast

  • Tonight Rain. Lows around 50. Southwest wind 5 to 15 mph. Chance of rain near 100 percent. Rainfall amounts a quarter of an inch to one inch.
  • Sunday Rain. Highs around 55. West wind 5 to 10 mph. Chance of rain near 100 percent. Rainfall amounts a tenth to a half of an inch.
  • Sunday Night Rain likely. Lows around 45. Light wind. Chance of rain 70 percent. Rainfall amounts a tenth to a quarter of an inch.
  • Monday Mostly cloudy. Chance of rain in the morning...then a slight chance of rain in the afternoon. Highs around 50. Light winds. Chance of rain 40 percent.
  • Monday Night Partly cloudy with a slight chance of rain in the evening...then mostly cloudy with a chance of rain after midnight. Lows 40 to 45. Light winds. Chance of rain 30 percent.
  • Tuesday Mostly cloudy with a 50 percent chance of rain. Highs around 50.
  • Tuesday Night Mostly cloudy with a 50 percent chance of rain. Lows around 40.
  • Wednesday Rain. Highs 45 to 50. Chance of rain 80 percent.
  • Wednesday Night Mostly cloudy with a 40 percent chance of showers. Lows around 35.
  • Christmas Day Partly sunny with a 20 percent chance of showers. Highs around 45.
  • Thursday Night Mostly cloudy with a 20 percent chance of showers. Lows 30 to 35.
  • Friday Partly sunny. Highs around 45.
  • Friday Night Partly cloudy. Lows 30 to 35.
  • Saturday Partly sunny with a 40 percent chance of rain. Highs 40 to 45.