National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Current Conditions

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3 Miles S Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 36 °F

Friday

Rain Chance for Measurable Precipitation 100%

Rain

High: 44 °F

Friday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 37 °F

Saturday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 42 °F

Saturday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 35 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

High: 43 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 35 °F

Monday

Rain Likely

Rain
Likely

High: 42 °F

Monday
Night

Rain Likely

Rain
Likely

Low: 37 °F

Detailed Forecast

  • Tonight A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 36. Southeast wind 5 to 7 mph.
  • Friday Rain. High near 44. South southeast wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Friday Night Rain showers. Low around 37. South wind 9 to 17 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Saturday Snow showers before 4pm, then rain and snow showers. High near 42. Southwest wind 9 to 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Saturday Night Rain and snow. Low around 35. West southwest wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Sunday Rain and snow showers. High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Sunday Night A 40 percent chance of rain. Mostly cloudy, with a low around 35.
  • Monday Rain likely. Mostly cloudy, with a high near 42.
  • Monday Night Rain likely. Mostly cloudy, with a low around 37.
  • Tuesday Rain likely. Cloudy, with a high near 47.
  • Tuesday Night Rain likely. Cloudy, with a low around 38.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 43.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 37.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 41.