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Avalanche Forecast

Archived

Feb 13th, 2026–Feb 14th, 2026

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Flathead, Lizard, Moyie, St. Mary.

Watch for fresh slabs forming in leeward terrain features. We are uncertain whether buried weak layers in the upper snowpack may remain triggerable by riders.

Confidence

Moderate

  • We are confident that there are persistent slabs in the snowpack, but uncertain about how likely they are to trigger.

Avalanche Summary

Over the past few days, the persistent slab problem has been tested, with mixed results. On Wednesday and Thursday, a couple of natural cornice falls reported from around the region did not trigger slabs on slopes below. Meanwhile, explosive testing on a convex roll at treeline in the Lizard range produced a size 1.5 persistent slab avalanche.

Snowpack Summary

5 to 15 cm of new snow falls over a widespread layer of surface hoar and a crust on solar aspects.

Below this, depending on aspect and elevation, the top 50 cm may contain one or two more layers of crust, facet and/or surface hoar formed in late January and early February. We are uncertain whether these layers will become more or less problematic as they get buried deeper.

The mid and lower snowpack remain well settled, with no significant concerns at this time.

Weather Summary

Friday Night
Cloudy. 4 to 8 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Saturday
Mostly cloudy. 3 to 6 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Sunday
Mix of sun and clouds. 2 to 4 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -6 °C.

Monday
Mix of sun and clouds. 4 to 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the old surface.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Keep in mind a buried crust offers an excellent bed surface for avalanches.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.