Summary

A moist Pacific storm system is moving into Montana on Fri that will bring snowfall across the border into the South Rockies with storm totals in the 10-15cm range to Castle Mtn & Powderkeg through midnight Fri. Lighter accumulations to 5cm are possible as far north as Banff/Sunshine. High-pressure builds for Sat & Sun before a westerly flow transports a more potent Pacific storm on Mon & Tues.

Short Term Forecast