"Saturday through Sunday night stays mostly calm for skiing, but it will not be still. Temperatures moderate each day and a broad southerly to southeasterly wind trend develops, with sustained speeds often in the 15-30 mph range in exposed zones and higher terrain. Any new snow in this window is limited and spotty, so this is more about softening conditions, improving visibility between cloud decks, and watching for wind-affected surfaces on ridgelines."
"Monday-Tuesday Moisture Surge is the main event, and the models are largely converging on a long-duration window with the steadiest snow Monday night into Tuesday. Snow levels rise during the warm-advection phase, so lower base areas flirt with heavier, denser snowfall at times while mid and upper mountain terrain does much better for pure snow. Across the region, storm snow quality often runs moderate to dense early, with SLRs commonly in the 8-13:1 range, and pockets briefly higher when rates increase."
A warm ridge gives way to a wet, windier early-week pattern across the Northern Rockies, concentrating the best snowfall from northern Idaho into western Montana and Canadian resorts. Saturday and Sunday remain relatively quiet and warmer with a broad southerly to southeasterly wind trend and sustained speeds often 15–30 mph in exposed zones, producing softening and wind-affected surfaces rather than significant new snow. A long-duration moisture surge arrives Monday into Tuesday, raising snow levels during warm advection so low elevations get denser snow while mid/upper terrain receives cleaner snow. Early storm snow ratios commonly run 8–13:1, then a colder, higher-quality finish occurs as snow levels drop and winds increase late Tuesday into Wednesday. The longer-range pattern favors warmer-than-normal conditions with periodic northern-tier moisture and low confidence on late-week wave timing and placement.
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