SnowBrains Forecast: Up to 20 Inches for BC/Alberta Through Friday

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ECMWF snowfall forecast map
Credit: WeatherBell

A well-organized midweek storm brings the region’s best skiing weather from Wednesday through Friday morning, with the steadiest snow focused on the Canadian Rockies and solid totals extending into Revelstoke and Kicking Horse. Confidence is highest from Wednesday morning through Friday morning because the guidance stays tightly aligned on timing and broad coverage, while southern British Columbia picks up lighter, more variable snow and the strongest ridge wind. After that, snowfall turns more scattered Friday into Saturday before another warmer, less certain system tries to reload the region Sunday night through Tuesday.

From Wednesday afternoon through Thursday night, the guidance is converging well on timing and snowfall intensity, and it is also fairly well clustered on low snow levels through the Rockies. Banff Sunshine, Lake Louise, Kicking Horse, and Revelstoke should all stay cold enough for all snow, with snow levels mostly below 2,000 feet and SLRs generally in the 14 to 20 range, which supports light snow quality and widespread 8"-16" totals in the Rockies plus 9"-12" around Revelstoke and Kicking Horse by Friday morning. Big White looks more modest at 7"-10", but with more spread in intensity, SLRs varying from dense to fairly light, and exposed ridge wind frequently running 25 to 50 mph. RED Mountain is the trickiest piece of the short range: the models still agree on the general timing of snow, but they diverge more on intensity, snow levels, and wind there, so expect denser snow with the greatest rain-mix risk and around 5"-7". Mount Norquay is currently closed, so Alberta’s fresh-snow upside is focused on Sunshine and Lake Louise.

Friday afternoon through Saturday looks quieter overall, and the guidance generally converges on lower intensity and lower wind even though it still diverges on where weak leftover bands linger. Most areas look more like a maintenance cycle than a reset, with only a nuisance 1"-4" for many resorts and the better chance for a slightly deeper refresh staying in southern British Columbia. Where snow does fall, snow levels remain low enough for good quality, with SLRs commonly in the 14 to 20 range through the Rockies and a bit lower farther west. That should keep surfaces wintry without much operational disruption, while leaving the best improvement tied to whatever terrain already cashes in during the midweek storm.

From Sunday night through Tuesday, the models diverge much more on timing, intensity, snow levels, and wind impacts, so this part of the forecast is much more speculative. There is still a meaningful regional signal for another round of snow, especially in interior British Columbia, but the more likely outcome right now is denser, higher-elevation-favored snow rather than another clean cold storm. Revelstoke, Kicking Horse, and Big White have the clearest upside, generally something on the order of 6"-18" if the colder solutions verify, while Alberta leans more modest at roughly 2"-8". Snow levels could rise into the 5,000 feet to 7,500 feet range during the heavier periods, and SLRs often fall into the 6 to 12 range, which points to denser snow and better skiing higher up than near base level. Beyond Tuesday, the pattern still looks active on paper, but confidence drops off quickly and any additional late-week accumulations remain speculative.

Resort Forecast Totals (Wed Mar 11 – Fri Mar 13)

  • Banff Sunshine12"-16"
  • Revelstoke9"-12"
  • Kicking Horse10"-12"
  • Mount Norquay8"-11"
  • Lake Louise8"-10"
  • Big White7"-10"
  • RED Mountain5"-7"

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