Flathead Region, MT, Marks 5 Years Without Avalanche Deaths Despite Volatile Winter

Despite unstable snow conditions and a number of close calls, the 2025-26 winter marked the fifth consecutive year with zero avalanche fatalities in the Flathead region of northern Montana.

The Flathead area, which covers 1.2 million acres of Northern Rocky mountain ranges, experienced winter weather this past season that would typically lead to hazardous backcountry conditions. Heavy early-season precipitation, which boosted high-elevation snowpack, was followed by a two-week-long cold and dry spell. This created two major problems:



When snow sits exposed for a prolonged stretch, it can develop what’s called surface hoar — a delicate, frost-like layer similar to what forms on a car windshield overnight. Once buried under fresh snowfall, this weak layer can easily give way, triggering an avalanche.

Sustained cold temperatures caused parts of the existing snowpack to become faceted — a process in which snow crystals break down into loose, sugar-like grains. These grains don’t bond well to one another, making the layer highly unstable.



These weak layers led to a number of skier-triggered avalanches during the middle of the season, the first of which occurred on February 12. During this period, according to the Flathead Beacon, 19 skier-triggered avalanches were reported, at least partially burying a total of five skiers. Still, aside from one reported full burial, there were zero known fatalities.



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But the region wasn’t out of the woods yet — the late season brought a slew of massive storms, along with extremely high winds. This stretch brought 34 consecutive days of at least considerable avalanche danger to the region. Additionally, as temperatures warmed in May, wet slab conditions began to proliferate, with 10 such slides, rated D3 or higher, observed.



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Thankfully, although northern Montana was burdened by unstable backcountry conditions throughout the winter, and a number of human-triggered avalanches did occur, no one lost their life in the Flathead region this year. The half-decade of safety marks a great success for the area, especially as more and more people venture into the backcountry’s ever-unpredictable terrain.























































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