National Weather Service United States Department of Commerce

Wet weather continues across Pacific Northwest and New England

Two developing storm systems will bring heavy rain to opposite coasts of the U.S. on Wednesday, one affecting the Pacific Northwest and northern California and the other New England. There is a risk of flash flooding across both areas, with 2-4 inches of rainfall, with isolated higher amounts, possible by Thursday morning.
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Current Conditions

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9 Miles W Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 53 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 45 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 49 °F

Thursday
Night

Showers Chance for Measurable Precipitation 80%

Showers

Low: 43 °F

Friday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 52 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 45 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 51 °F

Saturday
Night

Showers

Showers

Low: 42 °F

Sunday

Showers Likely

Showers
Likely

High: 48 °F

Detailed Forecast

  • Today Rain. The rain could be heavy at times. High near 53. South wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Tonight Rain. The rain could be heavy at times. Low around 45. South southwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Showers. High near 49. South wind 10 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Night Showers. Low around 43. South wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. East southeast wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Night Rain. Low around 45. Chance of precipitation is 80%.
  • Saturday Rain. High near 51. Chance of precipitation is 80%.
  • Saturday Night Showers. Cloudy, with a low around 42.
  • Sunday Showers likely. Mostly cloudy, with a high near 48.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 42.
  • Monday A chance of rain. Cloudy, with a high near 50.
  • Monday Night Rain likely. Cloudy, with a low around 44.
  • Tuesday Rain likely. Cloudy, with a high near 52.