National Weather Service United States Department of Commerce

Warmup expected in the East, cooler weather forecast across parts of West

Much of the eastern U.S. will see a significant warming trend beginning on Friday, with high temperatures as much as 10-15 degrees warmer than on Thursday. The warming trend will continue into the weekend. Meanwhile, temperatures will be on the decrease across much of the northern Plains and Intermountain West over the next several days.
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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

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 47 °FFalling Temperatures

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 27 °F

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 31 °FFalling Temperatures

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 19 °F

Sunday

Breezy

Breezy

High: 32 °F

Sunday
Night

Breezy

Breezy

Low: 25 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 38 °F

Monday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 27 °F

Tuesday

Slight Chance Snow

Slight Chc
Snow

High: 39 °F

Detailed Forecast

  • This Afternoon Rain before 4pm, then rain and snow. Temperature falling to around 42 by 4pm. West southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Tonight Snow showers. Low around 27. West wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
  • Saturday Snow showers. Temperature falling to around 25 by 5pm. West wind around 14 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Saturday Night Mostly clear, with a low around 19. East southeast wind 14 to 18 mph, with gusts as high as 24 mph.
  • Sunday Sunny, with a high near 32. Breezy, with an east wind around 24 mph, with gusts as high as 39 mph.
  • Sunday Night Partly cloudy, with a low around 25. Breezy.
  • Monday A 30 percent chance of snow. Mostly cloudy, with a high near 38. Little or no snow accumulation expected.
  • Monday Night A slight chance of snow. Mostly cloudy, with a low around 27.
  • Tuesday A slight chance of snow showers. Partly sunny, with a high near 39.
  • Tuesday Night Mostly cloudy, with a low around 30.
  • Wednesday A slight chance of showers. Mostly cloudy, with a high near 41.
  • Wednesday Night A chance of rain. Cloudy, with a low around 32.
  • Thursday A chance of rain. Mostly cloudy, with a high near 41.