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

This
Afternoon

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 55 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 57 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 52 °F

Thursday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 42 °F

Friday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 57 °F

Friday
Night

Rain

Rain

Low: 44 °F

Saturday

Rain

Rain

High: 52 °F

Detailed Forecast

  • This Afternoon A 50 percent chance of rain. Mostly cloudy, with a high near 55. South wind around 13 mph, with gusts as high as 20 mph.
  • Tonight Rain. Low around 45. South wind 10 to 18 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 57. Breezy, with a south wind 18 to 23 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 45. South southwest wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Rain showers before 11am, then rain and snow showers. High near 52. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Thursday Night Rain and snow showers. Low around 42. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Friday Rain likely, mainly after 11am. Cloudy, with a high near 57. Chance of precipitation is 60%.
  • Friday Night Rain. Cloudy, with a low around 44. Breezy.
  • Saturday Rain. Cloudy, with a high near 52. Breezy.
  • Saturday Night Rain showers likely. Cloudy, with a low around 40.
  • Sunday Snow showers likely. Mostly cloudy, with a high near 47.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 38.
  • Monday A chance of rain. Mostly cloudy, with a high near 55.