National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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2 Miles N Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Friday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 47 °F

Friday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 36 °F

Saturday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 47 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 39 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 46 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 44 °F

Monday

Rain

Rain

High: 51 °F

Monday
Night

Rain

Rain

Low: 46 °F

Detailed Forecast

  • Overnight Rain. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Rain before 11am, then snow showers. High near 47. West southwest wind around 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Friday Night Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Saturday A 40 percent chance of snow showers. Mostly cloudy, with a high near 47. West northwest wind 5 to 8 mph. Little or no snow accumulation expected.
  • Saturday Night A chance of snow showers. Cloudy, with a low around 39. West northwest wind around 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Sunday Rain and snow, mainly after 11am. High near 46. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Sunday Night Rain. Low around 44. Chance of precipitation is 80%.
  • Monday Rain. Cloudy, with a high near 51.
  • Monday Night Rain. Cloudy, with a low around 46.
  • Tuesday Rain. Cloudy, with a high near 57. Breezy.
  • Tuesday Night Rain likely. Cloudy, with a low around 47.
  • Wednesday Rain likely. Cloudy, with a high near 50.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 47.
  • Thursday Rain likely. Mostly cloudy, with a high near 47.