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.
Read More...

Current Conditions

En Español

Share |

6 Miles NE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 46 °F

Sunday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 37 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 42 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 35 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 42 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 31 °F

Wednesday

Snow

Snow

High: 37 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 26 °F

Detailed Forecast

  • Overnight Rain. Steady temperature around 45. Windy, with a west southwest wind around 30 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Rain. High near 46. Breezy, with a west wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Sunday Night Rain and snow. Low around 37. West wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Monday A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 42. West southwest wind 5 to 9 mph becoming calm in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Monday Night A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35. Light west wind.
  • Tuesday Rain likely, mainly after 10am. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
  • Tuesday Night A chance of rain. Cloudy, with a low around 31. Chance of precipitation is 50%.
  • Wednesday Snow. Cloudy, with a high near 37.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 26.
  • Christmas Day A chance of snow showers. Partly sunny, with a high near 34.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 26.
  • Friday Partly sunny, with a high near 35.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 26.
  • Saturday A chance of snow. Partly sunny, with a high near 35.