National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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21 Miles E Cougar Res. OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 30 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 40 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 36 °F

Wednesday

Rain Chance for Measurable Precipitation 90%

Rain

High: 45 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 39 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 42 °F

Thursday
Night

Showers Chance for Measurable Precipitation 90%

Showers

Low: 36 °F

Friday

Rain Likely

Rain
Likely

High: 46 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 33 °F

Detailed Forecast

  • Overnight A 50 percent chance of snow showers. Mostly cloudy, with a low around 30. Southwest wind 15 to 17 mph, with gusts as high as 30 mph. Total nighttime snow accumulation of less than a half inch possible.
  • Tuesday A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 40. Southwest wind 11 to 17 mph, with gusts as high as 30 mph.
  • Tuesday Night Rain after 11pm. Low around 36. Southwest wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
  • Wednesday Rain. High near 45. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
  • Wednesday Night Rain. Low around 39. Breezy, with a south southwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Rain before 11am, then rain and snow. High near 42. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Thursday Night Showers. Low around 36. Chance of precipitation is 90%.
  • Friday Rain likely. Mostly cloudy, with a high near 46.
  • Friday Night Rain likely. Mostly cloudy, with a low around 33.
  • Saturday A chance of rain and snow showers. Partly sunny, with a high near 47.
  • Saturday Night Snow showers likely. Mostly cloudy, with a low around 31. Breezy.
  • Sunday Snow showers likely. Mostly cloudy, with a high near 42.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 30.
  • Monday A chance of rain and snow showers. Partly sunny, with a high near 39.