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A very strong, or super, El Niño is likely as the Pacific Northwest rainy season begins November 1, according to KGW's winter outlook for Portland, Oregon. Ocean waters off South America are running 3 degrees Celsius above average. History favors a somewhat dry November, then a very wet December and January, with one or two atmospheric rivers possibly bringing 8 to 12 inches of rain in December. Temperatures are forecast 2 to 3 degrees Fahrenheit above normal each month, while Mount Hood's outlook calls for at least 70% of normal snowpack.

Disclosure: This video contains stock footage and content created or enhanced using AI-assisted tools.

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00:00A Super El Nino is likely as the Pacific Northwest rainy season begins November 1st.
00:04Ocean waters off South America are running 3 degrees Celsius above average.
00:09Anything above 2 degrees counts as a Super El Nino.
00:12So what does that mean for Portland?
00:14History favors a somewhat dry November, then a very wet December and January.
00:19One or two atmospheric rivers could bring 8 to 12 inches of rain to Oregon in December.
00:24Temperatures look set to run 2 to 3 degrees Fahrenheit above normal each month.
00:28Portland could see anything from no snow to a single storm of 6 to 8 inches.
00:33Mount Hood offers better news.
00:35Moderate to strong El Nino years since 1999 averaged 82% of normal snowpack.
00:41Last season ended at just 30%.
00:43This winter's outlook calls for at least 70% of normal.
00:47Disclosure.
00:48This video contains stock footage and content created or enhanced using AI-assisted tools.
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