National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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6 Miles N Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 49 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Wednesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 52 °F

Wednesday
Night

Showers Chance for Measurable Precipitation 100%

Showers

Low: 44 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 48 °F

Thursday
Night

Showers Chance for Measurable Precipitation 80%

Showers

Low: 41 °F

Friday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 52 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 43 °F

Saturday

Showers Likely

Showers
Likely

High: 53 °F

Detailed Forecast

  • Today Rain likely, mainly before 11am. Mostly cloudy, with a high near 49. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Rain. Low around 45. South wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Rain. High near 52. South wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Night Showers. Low around 44. South wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Showers. High near 48. South southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Night Showers. Low around 41. Chance of precipitation is 80%.
  • Friday A 50 percent chance of rain. Cloudy, with a high near 52.
  • Friday Night Rain likely. Cloudy, with a low around 43.
  • Saturday Showers likely. Cloudy, with a high near 53.
  • Saturday Night Rain showers likely. Cloudy, with a low around 41.
  • Sunday Rain and snow showers likely. Mostly cloudy, with a high near 50.
  • Sunday Night A chance of rain and snow showers. Mostly cloudy, with a low around 39.
  • Monday A chance of rain. Mostly cloudy, with a high near 50.