National Weather Service United States Department of Commerce

Coastal low to bring gusty winds and periods of heavy rain to New England while moderate to heavy rain is expected to linger in the Pacific Northwest and northern California

A coastal low will slowly intensify before moving out of the New England area. Increasingly heavy rainfall will impact the region through Friday. In addition, winds will increase and seas will become rough as the storm gradually intensifies just off the coast. Out west, a cold front approaching the Pacific Northwest will bring moderate to heavy rain to Washington, Oregon and northern California.
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Current Conditions

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4 Miles NNW 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: 48 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 58 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 48 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 54 °F

Thursday
Night

Showers Chance for Measurable Precipitation 80%

Showers

Low: 45 °F

Friday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 57 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 47 °F

Saturday

Rain

Rain

High: 54 °F

Saturday
Night

Showers Likely

Showers
Likely

Low: 44 °F

Detailed Forecast

  • Overnight Rain. Low around 48. South wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Wednesday Rain. The rain could be heavy at times. High near 58. South wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
  • Wednesday Night Rain. Low around 48. South southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Showers. High near 54. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Night Showers. Low around 45. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Rain likely, mainly after 11am. Cloudy, with a high near 57. Chance of precipitation is 60%.
  • Friday Night Rain. Low around 47. Chance of precipitation is 80%.
  • Saturday Rain. Cloudy, with a high near 54.
  • Saturday Night Showers likely. Cloudy, with a low around 44.
  • Sunday Showers likely. Mostly cloudy, with a high near 50.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 42.
  • Monday A chance of rain. Mostly cloudy, with a high near 56.
  • Monday Night Rain likely. Mostly cloudy, with a low around 46.
  • Tuesday Showers likely. Mostly cloudy, with a high near 59.