National Weather Service United States Department of Commerce

Wet weather continues across Pacific Northwest and New England

Two developing storm systems will continue to bring heavy rain to opposite coasts of the U.S. on Thursday. One system is affecting the Pacific Northwest and northern California while the other affects New England. There is a risk of flash flooding across parts of New England on Thursday where Flash Flood Watches are in effect.
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Hazardous Weather Conditions

Current Conditions

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3 Miles NNW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Showers Chance for Measurable Precipitation 100%

Showers

Low: 48 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 53 °F

Thursday
Night

Showers Chance for Measurable Precipitation 90%

Showers

Low: 46 °F

Friday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 57 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 48 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 58 °F

Saturday
Night

Showers Chance for Measurable Precipitation 90%

Showers

Low: 46 °F

Sunday

Showers

Showers

High: 47 °F

Sunday
Night

Showers Likely

Showers
Likely

Low: 42 °F

Detailed Forecast

  • Tonight Showers. Low around 48. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Showers, with thunderstorms also possible after 11am. High near 53. South southwest wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
  • Thursday Night Showers. Low around 46. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Rain likely, mainly after 11am. Mostly cloudy, with a high near 57. East southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Friday Night Rain. Low around 48. East southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Rain. High near 58. Chance of precipitation is 80%.
  • Saturday Night Showers. Low around 46. Breezy. Chance of precipitation is 90%.
  • Sunday Showers. Mostly cloudy, with a high near 47.
  • Sunday Night Showers likely. Mostly cloudy, with a low around 42.
  • Monday Showers likely. Cloudy, with a high near 49.
  • Monday Night Rain likely. Cloudy, with a low around 43.
  • Tuesday Rain. Cloudy, with a high near 53.
  • Tuesday Night Showers likely. Cloudy, with a low around 44.
  • Wednesday Rain likely. Cloudy, with a high near 55.