National Weather Service United States Department of Commerce

On Saturday, severe weather will be possible across portions of the northern Plains while dry and hot conditions begin returning to the West.

Severe weather is possible over parts of the northern Plains on Saturday. During the late afternoon and early evening hours, large hail and isolated tornadoes will be the primary threats with damaging winds becoming the greatest threat in the late evening hours. Out west, hot and dry conditions begin to return bringing increased heat dangers and fire weather concerns.
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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

Overnight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 49 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 54 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 46 °F

Sunday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 58 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 44 °F

Labor
Day

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 61 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 45 °F

Tuesday

Slight Chance Showers

Slight Chc
Showers

High: 63 °F

Tuesday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 42 °F

Detailed Forecast

  • Overnight A 20 percent chance of showers. Mostly cloudy, with a low around 49. West northwest wind around 13 mph, with gusts as high as 20 mph.
  • Saturday A 40 percent chance of showers. Mostly cloudy, with a high near 54. West southwest wind 17 to 21 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Saturday Night A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46. West wind 11 to 21 mph, with gusts as high as 33 mph.
  • Sunday A 20 percent chance of showers. Mostly cloudy, with a high near 58. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.
  • Sunday Night A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 44. West northwest wind 11 to 14 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Labor Day A 20 percent chance of showers. Mostly sunny, with a high near 61.
  • Monday Night Partly cloudy, with a low around 45.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 63.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 42.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 63.
  • Wednesday Night A slight chance of showers. Mostly cloudy, with a low around 42.
  • Thursday Partly sunny, with a high near 65.
  • Thursday Night Mostly cloudy, with a low around 43.
  • Friday Mostly sunny, with a high near 67.