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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9 Miles S Chinook Pass WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Overnight

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 31 °F

Friday

Rain Chance for Measurable Precipitation 100%

Rain

High: 39 °F

Friday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 32 °F

Saturday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 38 °F

Saturday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 30 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 37 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 30 °F

Monday

Rain Likely

Rain
Likely

High: 38 °F

Monday
Night

Rain Likely

Rain
Likely

Low: 32 °F

Detailed Forecast

  • Overnight Showers likely, mainly after 4am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Friday Rain. High near 39. Southwest wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Friday Night Rain showers. Low around 32. Light and variable wind becoming southwest 6 to 11 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Saturday Snow showers before 4pm, then rain and snow showers likely. High near 38. Southwest wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
  • Saturday Night Rain and snow showers likely, becoming all snow after 10pm. Cloudy, with a low around 30. Southwest wind 8 to 17 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Sunday Rain and snow. High near 37. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Sunday Night A chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
  • Monday Rain likely. Mostly cloudy, with a high near 38.
  • Monday Night Rain likely. Mostly cloudy, with a low around 32.
  • Tuesday Rain likely. Mostly cloudy, with a high near 41.
  • Tuesday Night Rain likely. Mostly cloudy, with a low around 34.
  • Wednesday A chance of rain. Cloudy, with a high near 41.
  • Wednesday Night A chance of rain. Cloudy, with a low around 32.
  • Thanksgiving Day A chance of rain. Cloudy, with a high near 41.