National Weather Service United States Department of Commerce

Much needed precipitation continues across the Southwest; central and eastern U.S. prepare for more winter weather

Widespread and much-needed precipitation across the Southwest will begin to spread into the Plains through Saturday. As the moisture encounters an Arctic airmass dropping down through the north-central U.S., moderate to heavy snow is expected to develop across the Midwest Saturday and then move into portions of the Mid-Atlantic and Northeast on Sunday.
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Current Conditions

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8 Miles W Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 39 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 52 °F

Saturday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 40 °F

Sunday

Rain Chance for Measurable Precipitation 90%

Rain

High: 47 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 40 °F

Monday

Rain Chance for Measurable Precipitation 100%

Rain

High: 44 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 39 °F

Tuesday

Chance Rain/Snow

Chance
Rain/Snow

High: 45 °F

Tuesday
Night

Chance Rain/Snow

Chance
Rain/Snow

Low: 40 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 39. Calm wind.
  • Saturday Mostly sunny, with a high near 52. Calm wind becoming east northeast around 5 mph in the afternoon.
  • Saturday Night A 20 percent chance of rain after 10pm. Increasing clouds, with a low around 40. Southeast wind 3 to 6 mph.
  • Sunday Rain. High near 47. South southwest wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Sunday Night Rain. Low around 40. South southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Rain. High near 44. Breezy. Chance of precipitation is 100%.
  • Monday Night A chance of rain and snow. Cloudy, with a low around 39. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Tuesday A chance of rain and snow. Mostly cloudy, with a high near 45.
  • Tuesday Night A chance of rain and snow. Mostly cloudy, with a low around 40.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 48.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 39.
  • Thursday A chance of rain. Mostly cloudy, with a high near 48.
  • Thursday Night Rain likely. Cloudy, with a low around 43.
  • Friday Rain. Mostly cloudy, with a high near 49.