Cloudy. Chance of flurries late. Lows 20 to 25. East wind 5 to 15 mph...except 15 to 25 mph with gusts to 35 mph near The Gorge late.
Cloudy with a 20 percent chance of snow in the morning. Decreasing clouds in the afternoon. Highs near 30. East wind 10 to 15 mph...but 15 to 25 mph with gusts to 40 mph near the Columbia Gorge in the afternoon.
... Near dangerous wind chill expected Friday night and Saturday across the Cascades and through the Columbia River gorge...
Another surge of Arctic air will bring some of the coldest air since December 2009 into the region late Friday... and remain over the region this weekend. Expect daytime highs to be only in the teens and 20s... and overnight lows to single digits to teens. Coldest temperatures will be over the higher terrain.
At the same time... a strong pressure gradient over the Pacific northwest will create very windy conditions over the Cascades and foothills... and through the Columbia River gorge. East winds of 20 to 30 mph with gusts 45 to 50 mph can be expected over the Cascades... with 25 to 40 mph with gusts to 60 mph in the western Columbia River gorge Friday night and Saturday.
This combinations of gusty east winds and cold temperatures will create dangerously low wind chill over the region Friday night and Saturday. Wind chill values will run from 10 below to 10 above during this time... but could drop as low as -20 degrees in windiest areas.
Those who must be outside should dress in adequate clothing and minimize exposure. Pets and livestock are also affected by the cold. Ensure pets and livestock have a warm dry shelter... and access to food and fresh unfrozen water.
Frost bite can occur in less than 30 minutes... and hypothermia may occur if precautions are not taken.
Statement as of 3:57 am PST on December 5, 2013
... Another round of record low temperatures set on Wednesday...
A very cold and dry Arctic air mass has pushed into the region and is bringing record setting cold weather to the area. This is the second day in a row of record cold. More records may fall through the upcoming weekend.
Station today low status/previous record [period of rec] =================================================================== coastal areas... Astoria 23 new record /24 deg in 1994 [1892-2013]
Inland areas... Vancouver 19 new record /21 deg in 1919 [1894-2013] Portland (airport) 22 new record /23 deg in 1972 [1940-2013] Eugene 18 new record /20 deg in 1972 [1892-2013] Hillsboro 19 new record /21 deg in 1972 [1929-2013]
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