National Weather Service United States Department of Commerce

Hazardous Weather Outlook product no longer displayed on national hazards map

NWS has made a change to the national hazard map, shown below, and will no longer be displaying the Hazardous Weather Outlook (HWO) product on the map. This change is intended to help users focus more quickly on the immediate impacts of hazards instead of those that are highlighted for the future. The Hazardous Weather Outlook will still be available on local Weather Forecast Office Web pages.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 43 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 51 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 42 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 45 °F

Thursday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 39 °F

Friday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 50 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 40 °F

Saturday

Snow

Snow

High: 46 °F

Saturday
Night

Snow Likely

Snow
Likely

Low: 36 °F

Detailed Forecast

  • Tonight Rain. Low around 43. South wind 10 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.
  • Wednesday Rain. The rain could be heavy at times. High near 51. Breezy, with a south wind 20 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
  • Wednesday Night Rain. Low around 42. South southwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Rain and snow showers, becoming all snow after 11am. High near 45. Southwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Thursday Night Snow showers. Low around 39. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Friday A chance of snow before 11am, then rain and snow likely. Cloudy, with a high near 50. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Friday Night Rain. Low around 40. Breezy. Chance of precipitation is 80%.
  • Saturday Snow. Cloudy, with a high near 46. Breezy.
  • Saturday Night Snow showers likely. Cloudy, with a low around 36. Breezy.
  • Sunday Snow showers likely. Mostly cloudy, with a high near 41.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 36.
  • Monday A chance of snow. Mostly cloudy, with a high near 49.
  • Monday Night Rain likely. Mostly cloudy, with a low around 42.
  • Tuesday Rain showers likely. Mostly cloudy, with a high near 52.