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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9 Miles W 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: 44 °F

Friday

Showers Chance for Measurable Precipitation 100%

Showers

High: 45 °F

Friday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 36 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 44 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 38 °F

Sunday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 43 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 40 °F

Monday

Rain Likely

Rain
Likely

High: 46 °F

Monday
Night

Rain

Rain

Low: 44 °F

Detailed Forecast

  • Overnight Rain. Low around 44. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Friday Showers. High near 45. West southwest wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Friday Night A 40 percent chance of showers. Mostly cloudy, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.
  • Saturday A 40 percent chance of showers. Mostly cloudy, with a high near 44. West wind 3 to 7 mph.
  • Saturday Night A 40 percent chance of showers. Mostly cloudy, with a low around 38. West wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday A 50 percent chance of rain. Cloudy, with a high near 43.
  • Sunday Night A 50 percent chance of rain. Cloudy, with a low around 40.
  • Monday Rain likely. Cloudy, with a high near 46.
  • Monday Night Rain. Cloudy, with a low around 44.
  • Tuesday Rain. Cloudy, with a high near 52.
  • Tuesday Night A chance of rain. Cloudy, with a low around 48.
  • Wednesday Rain likely. Mostly cloudy, with a high near 51.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 46.
  • Thursday A chance of rain. Mostly cloudy, with a high near 52.