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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2 Miles ENE 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: 45 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 52 °F

Thursday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 43 °F

Friday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 57 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 45 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 57 °F

Saturday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 37 °F

Sunday

Snow

Snow

High: 41 °F

Sunday
Night

Snow Likely

Snow
Likely

Low: 38 °F

Detailed Forecast

  • Tonight Showers. Low around 45. South southwest wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Thursday Rain showers before 11am, then rain and snow showers. Some thunder is also possible. High near 52. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Thursday Night Rain and snow showers. Low around 43. South wind around 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Friday A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 57. Southeast wind 7 to 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Friday Night Rain. Low around 45. South southeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Rain. High near 57. Chance of precipitation is 80%.
  • Saturday Night Rain showers. Low around 37. Windy. Chance of precipitation is 90%.
  • Sunday Snow showers. Mostly cloudy, with a high near 41.
  • Sunday Night Snow showers likely. Mostly cloudy, with a low around 38.
  • Monday Snow showers likely. Cloudy, with a high near 45.
  • Monday Night Rain likely. Cloudy, with a low around 45.
  • Tuesday Rain. Cloudy, with a high near 49.
  • Tuesday Night Showers likely. Cloudy, with a low around 43.
  • Wednesday Rain likely. Cloudy, with a high near 50.