October 2017 snowfall was strongest in the higher elevations of western Canada and the northern Rockies with some lesser amounts in Colorado. First half of November snowfall was high in the Pacific Northwest and inland northern regions, resulting in some early openings and deep snowpacks. There was also an atmospheric river storm mid-November in California. Thanksgiving week brought widespread rain to 9,000 feet to the northern regions, degrading the snowpack at lower elevations. Thanksgiving snowpacks were still over 4 feet at Mt. Baker, Whistler and Grand Targhee. The farther south you go, the less November snow there was, and some opening dates were pushed back. The western US was under severe sustained high pressure for the first half of December. The week before Christmas brought substantial snow to the Northwest and spread inland to the Rockies as well. Northern Utah and Colorado got a couple of feet but still endured limited holday skiing similar to 2011-12 and are unlikely to reach full operation before February. The Southwest still has almost no natural snow on the ground and should be avoided indefinitely barring major dumps. Skiing in other regions acquired an adequate snowpack at higher elevations in November. Lower elevations had a lot of November rain, resulting in variable coverage and surfaces. But the week before Christmas snow brought most Northwest, western Canadian and northern Rockies area into midwinter form. These regions also got a foot+ of snow Christmas week.
The first half of January saw 1-3 feet of snow over most of the West, but continuing the season trend of the most snow in northern regions. Therefore terrain openings in the drier regions have been gradual. Storms were more substantial during the second half of January but again the northern regions were most favored. A high pressure ridge set up off the West Coast in the first half of February, so many areas in the Southwest and California and some in Utah were still far from full operation. First half of February storms were strong in western Canada and brought average snowfall to the Northern Rockies and Colorado. The second half of February was characterized by abnormally cold temperatures throughout the West and average snowfall in most regions. Snowfall was heavier in Washington, Oregon and the Intermountain region from Northern Utah to the interior Northwest on both sides of the US/Canada border.
California: An early November storm only snowed more than a few inches north of Lake Tahoe and over 8,000 feet. The second week's
storm was much bigger though also snow mostly over 8,000 feet. Mt. Rose got 4 feet and Mammoth got 2+ feet at its Main
Lodge snow plot but 5+ feet up top. Thanksgiving week had a bit of rain followed by warm weather resulting in spring conditions.
A foot of snow in late November restored surfaces to the areas with an adequate base over 8,000 feet. With less than a foot of December
snow, Mt. Rose and Mammoth continued to have the best skiing, but ungroomed snow was bumpy with more obstacles over the holidays. Other
Tahoe areas had marginal base depths around 2 feet on limited terrain, were beaten up by holiday crowds and had very poor conditions through
mid-January. Two early January storms dropped 2-3 feet at Mammoth, bringing its upper snowpack into a normal 4-7 foot range for
January. Kirkwood was the only Tahoe area to get more than a foot during the first half of January, and the rain below 8,500 feet worsened
conditions elsewhere at Tahoe. Second half of January snowfall was about 2 feet at Tahoe and one foot at Mammoth. The first half of February was
mostly warm and dry. 1.5 - 3 feet of snow fell during the cold second half of February but there was little progress in opening more terrain.
That will likely change soon as 3-5 feet of snow are expected in the next few days. See Current California Ski Conditions
for more details on Southern California and Mammoth.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Squaw 8,000 |
154 |
49% |
40% |
Alpine Meadows |
117.5 |
46% |
45% |
Mt. Rose |
139 |
59% |
83% |
Heavenly |
115 |
41% |
52% |
Kirkwood |
132 |
39% |
100% |
Mammoth |
96.5 |
38% |
84% |
Southern Cal |
26 |
29% |
0-49% |
Arizona Snowbowl |
38 |
26% |
60% |
Pacific Northwest: The region had some October storms but the rain/snow line was above all but the alpine sectors of Whistler
and Mt. Bachelor. First half of November snowfall was widespread and many areas opened by November 18. The Thanksgiving week rain
reduced the Mt. Baker and Whistler base depths from 6 feet to 4 feet. Base depths elsewhere were reduced to the 2 foot range. Late
November snow improved surfaces and restored about a foot of base lost by the rain. Much of the Whistler alpine opened Dec. 9 after
extensive avalanche control, resulting in twice as much open terrain as anywhere else in North America. The Northwest had a scattered
foot of snow during the first half of December but in the second half of December it dumped 3 feet at Mt. Hood, 4 feet at Whistler and
5+ feet in Washington State areas. New Year's base depths were 4-5 feet at most areas, 6 feet at Whistler and 8 feet at Mt. Baker.
First half of January snowfall was about 2 feet in Washington and 1 foot elsewhere. Significant cold storms dumped 4+ feet of snow at
Mt. Bachelor, 10+ feet at Whistler and 6-7 feet at other Northwest areas during the second half of January. Early February was dry in
Oregon and farther north it rained to 5,000+ feet, leaving frozen surfaces for over a week. But during the cold second half of February
it snowed 3 feet at Whistler, 5 feet at Bachelor and up to 8 feet in northern Oregon and southern Washington.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Whistler |
390 |
127% |
100% |
Crystal Mt. |
371 |
126% |
100% |
Stevens Pass |
356 |
102% |
100% |
Mt. Hood |
319 |
98% |
100% |
Mt. Bachelor |
224 |
81% |
100% |
Canadian Rockies and Interior B.C.: Snowfall was abundant in this region from late October through mid-November. Thanksgiving
week rain affected the Okanogan and Kootenay areas, though base depths declined only at Fernie, remaining near 3 feet at most
other areas. With 2+ feet of snow in late November/early December, base depths reached the 3-4 foot range. Second half of December
snowfall was a bit under 2 feet around Banff but 4+ feet in the Okanagan and Kootenay regions. Base depths reached 4-5 feet and this was
the best overall ski region entering the new year. Silver Star and Sun Peaks were 2/3 open by mid-December and in full operation for the
holidays. First half of January snowfall was about a foot in Banff and 1.5-2.5 feet in the Okanagan and Kootenay regions. The Northwest
storms dumped 3-6 feet during the second half of January, bringing base depths to 6-8 feet. This was the standout region of the first half
of February, with most areas getting 3-4 feet of snow, though there was some rain at lower elevation near the US border. Despite a week
of temperatures near or below zero, there was 1-2 feet of snow in most of the region in the second half of February and 4 feet at the areas
close to the US border.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Big White |
264 |
127% |
100% |
Lake Louise |
203 |
169% |
99% |
Sunshine |
257 |
147% |
100% |
Revelstoke |
326 |
123% |
100% |
Kicking Horse |
271 |
148% |
100% |
Whitewater |
336 |
118% |
100% |
Red Mt. |
206 |
104% |
95% |
Fernie |
341 |
126% |
100% |
Castle Mt. |
324 |
168% |
100% |
U. S. Northern Rockies: Grand Targhee had 115 inches snowfall by mid-November, and thus opened 82% on Nov. 17
and 100% by Thanksgiving. Interior Northwest areas got the rain and December 1 base depths were in the 2+ foot range. Most
areas got a little under a foot of snow in early December before the high pressure set in. Second half of December snowfall of
5 feet brought excellent holiday skiing to Schweitzer, Whitefish and the interior Northwest. Southern Montana and the Tetons got
3-4 feet, bringing Big Sky to 90% open. Overall this region was close to full operation for the holidays on 3-5 foot bases, except
for Sun Valley which only had 3 inches of December snow. Most areas got 2+ feet of snow during the first half of January. Second
half of January snowfall was 5-6 feet near the Canadian border and 3-4 feet at most other areas, except for Sun Valley which as in
December was blocked out of a Northwest storm pattern. First half of February snowfall was 2+ feet in the interior Northwest and
the Tetons but minimal in most of Idaho. Most areas got around 4 feet during the cold second half of February.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Grand Targhee |
327 |
94% |
100% |
Jackson Hole |
263 |
92% |
87% |
Whitefish |
328 |
140% |
100% |
Bridger |
244 |
118% |
100% |
Schweitzer |
335 |
166% |
100% |
Brundage |
199 |
91% |
100% |
Sun Valley |
93 |
63% |
85% |
Utah: Utah had minimal October snow and was on the edge of November storms. Some opening dates were delayed and any skiing
is on limited snowmaking. An early December storm dropped up to 18 inches in the Cottonwood Canyons, a foot at Snowbasin and 6
inches in Park City, but only a little bit more terrain opened. After only a few inches here and there in mid-December, the Wasatch
got 2+ feet just before Christmas, but holiday open terrain and season snowfall still fell just short of 2011-12 and were the lowest
since 1980-81. First half of January snowfall was 2 feet in the Cottonwood areas and about one foot elsewhere. Second half of January
snowfall was 3 feet in the Cottonwood areas and about half that elsewhere, so some terrain still needs more coverage to open. Season
snowfall through January was the lowest since 1977 and fifth lowest since 1946 at the Alta Guard UDOT station. First half of February
snowfall of 1-2 feet continued the season trend of about half normal, but 3-5 feet of second half of February snow brought all areas to
at least 80% open.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Alta |
218 |
60% |
100% |
Snowbird SNOTEL |
185 |
56% |
82% |
Brighton/Solitude |
185 |
54% |
97% |
Park City (mid estimate) |
118 |
57% |
81% |
Snowbasin |
151 |
71% |
88% |
Brian Head |
111 |
51% |
94% |
Northern and Central Colorado: A-Basin opened a run on snowmaking October 13 followed by Loveland on October 20. November snowfall
was about half average and all skiing was on a manmade base of no more than 18 inches. A-Basin is 36% open. First half of December snowfall
averaged about one foot. The Northwest storm track finally hit at Christmas with 2+ feet from Steamboat through the Continental Divide with less
at Vail and Beaver Creek. However, as of New Year's only Steamboat and Winter Park were more than half open, with most areas only slightly better
off than in 2011-12. Vail had less open than any New Year's since 1980-81. This region had gradual snowfalls totalling 3-4 feet in January.
More terrain opened each week in January, similar to December of an average season. First half of February snowfall of 2-3 feet finally
brought most areas close to full operation. 1-2 feet fell in the second half of February.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Beaver Creek |
143 |
64% |
99% |
Breckenridge |
176 |
70% |
100% |
Copper Mt. |
140 |
73% |
92% |
Keystone |
151 |
96% |
100% |
Loveland |
163 |
75% |
80% |
Steamboat |
192 |
75% |
100% |
Vail |
137 |
56% |
100% |
Winter Park |
196 |
82% |
99% |
Southern and Western Colorado: This region was record dry into early January, so all skiing was on limited
snowmaking. The Rocky Mountain Biological Lab at Gothic (between Crested Butte and Aspen) had 17 inches in October and 55 inches through
January 8, the total being the lowest in 44 years of records. Even Wolf Creek had just 30 inches between November 8 and January 8
and did not exceed a 3 foot base until February. Aspen/Snowmass has recovered gradually like the I-70 areas, reaching nearly full operation in
late February. Southern Colorado got about 3 feet of snow in January and another 2+ feet during the first half of February to
open most intermediate terrain. During the second half of February most areas got 2-3 feet and Wolf Creek 6 feet. However it remains likely
that most terrain in steep sectors like Telluride's Gold Hill and particularly Crested Butte's North Face will not open this season. New
Mexico's drought is by far the worst in its ski history, with less than one foot of snow before January 1 and less than 2 feet from January 1
- February 14. Taos' 2 feet of snow in the second half of February raised its open terrain from 25% to 44%, but the base is still under 3 feet
so the Kachina chair and most of Taos' steeps are unlikely to open this season.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Aspen/Snowmass |
163 |
94% |
98% |
Gothic Snow Lab |
118 |
47% |
N/A |
Crested Butte |
113 |
65% |
50% |
Telluride |
132 |
73% |
79% |
Purgatory |
104 |
59% |
100% |
Wolf Creek |
198 |
77% |
100% |
Northeast: Killington was the first opening on November 8 as there was too much warm weather and rain in October. There was gradual
terrain expansion on snowmaking since Thanksgiving but natural snow was mainly in northern Vermont. Second week of December snowfall
averaged 3 feet in Northern Vermont and 2 feet elsewhere, setting up the region for a very good holiday season. The Northeast averaged 2
feet of snow during the second half of December, but there was bitter cold during most of the holiday period. In early January the cold
persisted with 1-2 feet of snow. Heavy warm rain fell Jan. 12-13, followed by a hard freeze, resulting in reduced trail counts and grim
conditions for three weeks with less than a foot of snow in the second half of January. 2-3 feet of early February snow brought excellent
skiing, but the rest of February had thaw, rain and less than a foot of snow, so trial counts in the US Northeast are now low for mid-season.
Percents open: Okemo 73%, Stratton 76%, Sugarloaf 48%, Sunday River 77%, Hunter 62%, Tremblant 92%, Mt. Ste. Anne 100%.
Area |
Season Snow |
Pct. of Normal |
Pct. of Area Open |
Jay Peak (mid estimate) |
246 |
101% |
77% |
Stowe |
179 |
80% |
69% |
Sugarbush |
100 |
51% |
55% |
Killington |
133 |
74% |
50% |
Whiteface |
132 |
100% |
65% |
Cannon |
120 |
102% |
56% |
Le Massif |
118.5 |
70% |
100% |
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