Models Forecast 7-10 FEET Of Snow @ High Elevations Of The PNW []

Models Forecast 7-10 FEET Of Snow @ High Elevations Of The PNW []


Models Forecast 7-10 FEET Of Snow @ High Elevations Of The PNW []


[Forecast courtesy of]


Lots of buzz is flying around the web on snow totals for the Northwest this week. Its only October so any news of 7-10 feet of snow is headline news.

Related: Atmospheric River Events Can Make or Break Your Ski Season. Here is Why

Most of that snow will be falling above the summits of most Ski Areas in the PNW. The week ahead has flip flopping snow levels with colder temps towards the end of the week! “The summits of most resorts will pick up moderate snowfall in the Cascades (North and central favored) with perhaps 2 feet or more at Whistler (High elevations).” Much less will fall over the Cascades. After a break on Wednesday warm air takes over Thursday followed by cooler conditions and a return of snow to close out the week. If this were mid winter and I was in chase mode my only safe bet would be the summit of Whistler into the interior of BC followed by the peak of Mount Baker Ski area as a wildcard (Wet snow at the summit especially Friday/Saturday).

Total precipitation through late Saturday night | Image: WXBell


Snow will be falling today and tonight as colder air works into Whistler Blackcomb and the interior BC mountain ranges. Significant amounts of 9-15 inches are likely at many resort summits of coastal BC working inland tonight and Wednesday. The north cascades near Mt Baker Ski Area should reap 3-7 inches at the summit with some light or moderate snow falling in the central Cascades (Stevens, Snowqualmie, Alpental). There is a break in the action on Wednesday followed by warmer air and more moisture Wednesday night and Thursday (Very high snow levels with rain likely at most elevations).

Cool air works into the Cascades Thursday night through Friday bringing additional light to moderate snow to the entire Cascade region. Expect several periods of 2-4 inches at the upper elevations of most resorts every 12-24 hours Thursday-Saturday before warmer air brings rain back to most elevations of the Pacific Northwest. Total additional snowfall late this week in the Cascades be 5-10 inches at the summits. Snow levels rise significantly this weekend (Rain likely at all elevations).

The leftovers are aimed at the northern Rockies including north/central Idaho, western Wyoming, southern Montana and eventually northern Colorado by late Friday night. A tease is possible for northern Tahoe resorts on Friday (light). Cold air will be over most of Idaho late Thursday night into Friday (Light to moderate snow from Sun Valley (1-3) and resorts north towards Brundage (3-6) and the panhandle). Western Wyoming (2-5) gets some teases Friday followed by a quick blast of snow for most of north/central Colorado (2-4) along and north of I-70. Tahoe stands a decent chance of some light snow especially along or north of Interstate 80 (Wildcard).

Here is a quick look at total snowfall through early Sunday. Most of the deepest sections in the Pacific Northwest will be above the summits of most ski areas with the exception of perhaps Whistler and spots in interior BC | Image: WXBell


High pressure takes hold early next week for most areas. There is a chance of additional moisture moving into the Pacific Northwest mid to late week in the extended period. Its only October and for those areas not currently getting snowfall it bears no prediction on how things will look in December. “Some of my best winters have been those that were dry in the Fall and suddenly nailed back to back 2-3 foot storms. It can happen!”

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Forecaster: Powderchaser Steve | 10/17/17

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