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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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 37 °FFalling Temperatures

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 29 °F

Saturday

Snow Chance for Measurable Precipitation 100%

Snow

High: 31 °FFalling Temperatures

Saturday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: 26 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 31 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 28 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 33 °F

Monday
Night

Snow Likely

Snow
Likely

Low: 31 °F

Tuesday

Snow Likely

Snow
Likely

High: 40 °F

Detailed Forecast

  • Today Snow before 4pm, then rain. Temperature rising to near 37 by 11am, then falling to around 29 during the remainder of the day. Windy, with a south wind 15 to 20 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Tonight Rain before 10pm, then snow showers. Low around 29. Windy, with a west southwest wind 27 to 37 mph becoming west northwest 13 to 23 mph. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Saturday Snow showers. Temperature rising to near 31 by 11am, then falling to around 26 during the remainder of the day. West wind 16 to 21 mph decreasing to 10 to 15 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
  • Saturday Night Snow. Low around 26. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
  • Sunday Snow, mainly before 4pm. High near 31. Breezy, with a west wind 22 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
  • Sunday Night A 50 percent chance of snow. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
  • Monday Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Monday Night Snow likely. Mostly cloudy, with a low around 31. Breezy.
  • Tuesday Snow likely. Cloudy, with a high near 40. Breezy.
  • Tuesday Night Snow likely. Mostly cloudy, with a low around 33.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 35. Breezy.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 32.
  • Thanksgiving Day A chance of snow. Mostly cloudy, with a high near 35.