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: 46 °F

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 24 °F

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 29 °FFalling Temperatures

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 18 °F

Sunday

Breezy

Breezy

High: 33 °F

Sunday
Night

Breezy

Breezy

Low: 26 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 38 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 25 °F

Tuesday

Slight Chance Snow

Slight Chc
Snow

High: 39 °F

Detailed Forecast

  • This Afternoon Rain and snow. High near 46. 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 24. West wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
  • Saturday Snow showers. Temperature falling to around 19 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 around an inch possible.
  • Saturday Night Mostly clear, with a low around 18. East southeast wind 14 to 17 mph, with gusts as high as 23 mph.
  • Sunday Sunny, with a high near 33. Breezy, with an east wind around 22 mph, with gusts as high as 34 mph.
  • Sunday Night Partly cloudy, with a low around 26. Breezy.
  • Monday A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 38. Little or no snow accumulation expected.
  • Monday Night Mostly cloudy, with a low around 25.
  • 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 rain and snow showers. Mostly cloudy, with a high near 41.
  • Wednesday Night A chance of rain and snow. Cloudy, with a low around 31.
  • Thursday A chance of rain and snow. Mostly cloudy, with a high near 41.