National Weather Service United States Department of Commerce

Heavy rain forecast for Pacific Northwest this week

A cold front moving onshore along the Pacific Northwest and northern California coast will bring heavy rain to the region through the first part of the week. A second cold front expected to move onshore by late Tuesday, bringing additional rain and higher-elevation snow to the region.
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Current Conditions

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8 Miles N Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Rain Chance for Measurable Precipitation 90%

Rain

High: 50 °F

Tonight

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 42 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 45 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 42 °F

Wednesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 42 °F

Thursday

Rain Chance for Measurable Precipitation 100%

Rain

High: 46 °F

Thursday
Night

Rain

Rain

Low: 40 °F

Friday

Rain Likely

Rain
Likely

High: 51 °F

Detailed Forecast

  • Today Rain. High near 50. Southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Showers likely. Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday A 40 percent chance of rain. Mostly cloudy, with a high near 45. South wind around 8 mph. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain, mainly after 11pm. Low around 42. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Wednesday Rain. High near 47. Breezy, with a south wind 26 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Night Rain. Low around 42. Breezy. Chance of precipitation is 100%.
  • Thursday Rain. High near 46. Breezy. Chance of precipitation is 100%.
  • Thursday Night Rain. Cloudy, with a low around 40.
  • Friday Rain likely. Cloudy, with a high near 51.
  • Friday Night Rain likely. Cloudy, with a low around 41.
  • Saturday A chance of showers. Mostly cloudy, with a high near 52.
  • Saturday Night Rain showers likely. Cloudy, with a low around 40.
  • Sunday Rain and snow showers likely. Mostly cloudy, with a high near 49.