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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6 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: 46 °F

Friday

Showers Chance for Measurable Precipitation 100%

Showers

High: 40 °FFalling Temperatures

Friday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 35 °F

Saturday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 40 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 36 °F

Sunday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 40 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 40 °F

Monday

Rain

Rain

High: 44 °F

Monday
Night

Rain

Rain

Low: 44 °F

Detailed Forecast

  • Overnight Rain. Steady temperature around 46. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday Showers. Temperature falling to around 37 by 11am. West southwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Friday Night A chance of rain showers. Mostly cloudy, with a low around 35. West southwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.
  • Saturday A chance of rain and snow showers, mainly after 11am. Mostly cloudy, with a high near 40. West wind 5 to 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Saturday Night A 40 percent chance of showers. Mostly cloudy, with a low around 36. West wind around 8 mph.
  • Sunday Rain likely, mainly after 11am. Cloudy, with a high near 40. Chance of precipitation is 70%.
  • Sunday Night Rain. Low around 40. Chance of precipitation is 80%.
  • Monday Rain. Cloudy, with a high near 44.
  • Monday Night Rain. Cloudy, with a low around 44.
  • Tuesday Rain. Cloudy, with a high near 47. Breezy.
  • Tuesday Night Rain likely. Cloudy, with a low around 46.
  • Wednesday Rain likely. Cloudy, with a high near 49.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 48.
  • Thursday Rain likely. Mostly cloudy, with a high near 48.