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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4 Miles SW Cascade Locks OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 45 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 43 °F

Saturday

Showers Chance for Measurable Precipitation 90%

Showers

High: 47 °F

Saturday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 41 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 45 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 42 °F

Monday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 48 °F

Monday
Night

Rain Likely

Rain
Likely

Low: 41 °F

Tuesday

Rain Likely

Rain
Likely

High: 48 °F

Detailed Forecast

  • Today Rain, mainly after 10am. The rain could be heavy at times. High near 45. East wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Tonight Showers. The rain could be heavy at times. Steady temperature around 43. West wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Saturday Showers. High near 47. West wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Night Rain. Low around 41. West wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Rain, mainly before 4pm. High near 45. West wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Night A 40 percent chance of rain. Mostly cloudy, with a low around 42.
  • Monday Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
  • Monday Night Rain likely. Mostly cloudy, with a low around 41.
  • Tuesday Rain likely. Mostly cloudy, with a high near 48.
  • Tuesday Night A chance of rain. Mostly cloudy, with a low around 40.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 47.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 38.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 46.