The NOAA outlook covers the months of December, January and February, when the average high temperatures in Portland are 37 degrees, 31 degrees and 35 degrees, respectively.
No region in the country is expected to see below average temps this winter season.
The winter outlook from NOAA calls for a wetter than normal season in the far southwest corner of the state.
The forecasters published their predictions for US weather in December, January, and February on the National Oceanic and Atmospheric Administration website on Thursday, saying only the southeast USA will have a standard winter with temperatures and precipitation keeping in line with historic averages.
The outlook says El Nino has a 70 to 75 percent chance of developing.
The northwestern United States, including parts of Northern California near the OR border, is likely to see the highest chances of warmer temperatures.
An El Niño is an irregularly occurring atmospheric event caused by the development of a warm band of ocean water off the Pacific coast of South America.
No part of the United States is predicted to have lower than normal temperatures on average.
"All things being equal, the slight kick we get out of the climate signal does tilt things toward the warm side", Halpert said; cautioning, however, that that's not enough to outweigh other factors if they push toward cold.
WASHINGTON Winter looks wet and especially mild for much of the country, thanks to a weak El Nino brewing, US meteorologists said. No place in the U.S.is expected to experience cooler-than-average temperatures, according to NOAA. The WYMT Weather team will have their 2018-2019 Winter Outlook for Eastern Kentucky on Tuesday, November 20th.
Precipitation is expected to be above normal across the southern tier of the USA, extending up into the Mid-Atlantic. Northern Florida and southern Georgia have the greatest odds for above-average precipitation this winter.
The most severe (if at all so to speak this time) winter expects the Northern Rocky mountains, the OH valley and the region of the Great lakes.
Drought conditions are anticipated to improve in areas throughout Arizona and New Mexico, southern sections of Utah and Colorado, the coastal Pacific Northwest and the Central Plains. In terms of precipitation, the line dividing drier-than-average conditions and normal conditions falls right through central Wisconsin with the eastern part of our state looking at 33% chance for drier-than-average conditions and western half of our state looking at normal conditions.