Chief Meteorologist Justin Stapleton‘s Daily Forecast Discussion:
More of the same dense fog and not so healthy air quality for the Willamette Valley to finish out 2013. We’ve seen some movement in the air over the last 24 hours as a couple of small disturbances are moving through the Northwest. Most of the light rain will remain around Portland and southern Washington for the rets of the night tonight. Any breaks in the clouds tonight will allow for more dense fog areawide into New Year’s Eve morning. Lows again will fall into the low 30s.
Most of Western Oregon won’t have to worry about rain for your NYE plans, however, another weak storm will bring some light showers around Portland tomorrow night. However, it will be chilly with temps around midnight in the mid 30s and likely foggy on the roads. New Year’s Day also looks mostly cloudy and with the inversion still in control of the Willamette Valley, air quality will continue to suffer. The Air Stagnation Advisories for the valley and Umpqua Basin have been extended through Thursday afternoon.
Thursday night into Friday, a more sizeable storm blows through the state bringing showers overnight into Friday morning. The mountains will finally see some good (albeit brief) snow as snow levels will drop to 2500 feet, but not much accumulating snow for ski resorts. By the weekend, high pressure again rebuilds and we’re back to sunny skies at the coast and mountains and likely more valley fog.
Have a great New Year!
– Chief Meteorologist Justin Stapleton
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