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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18 Miles E 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: 35 °F

Friday

Rain Chance for Measurable Precipitation 100%

Rain

High: 42 °F

Friday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 37 °F

Saturday

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

High: 42 °F

Saturday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 35 °F

Sunday

Showers Chance for Measurable Precipitation 90%

Showers

High: 42 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 35 °F

Monday

Rain Likely

Rain
Likely

High: 43 °F

Monday
Night

Rain Likely

Rain
Likely

Low: 32 °F

Detailed Forecast

  • Tonight A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 35. South southeast wind 3 to 6 mph.
  • Friday Rain. High near 42. South southeast wind 6 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Friday Night Rain showers before 4am, then rain and snow showers. Low around 37. South southwest wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Saturday Rain and snow showers, becoming all rain after 10am. High near 42. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Saturday Night Rain. Low around 35. West southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
  • Sunday Showers. High near 42. Chance of precipitation is 90%.
  • Sunday Night A 40 percent chance of rain. Mostly cloudy, with a low around 35.
  • Monday Rain likely. Mostly cloudy, with a high near 43.
  • Monday Night Rain likely. Cloudy, with a low around 32.
  • Tuesday Rain likely. Mostly cloudy, with a high near 45.
  • Tuesday Night Rain likely. Mostly cloudy, with a low around 36.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 43.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 35.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 41.