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Avalanche Forecast

Archived

Feb 26th, 2026–Feb 27th, 2026

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

Regions

North Rockies, East Kakwa, Tumbler.

Keep your guard up as wind slabs remain sensitive to human triggering.

Seek out sheltered terrain where you can avoid wind slabs and find great riding.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.
  • We are uncertain due to the variability of wind effect on the snowpack.

Avalanche Summary

Poor visibility restricted field observations on Wednesday and Thursday, but natural avalanche activity has likely occurred with the recent wind and storm snow.

Looking forward, avalanche activity will remain sensitive to human triggering over the coming days, as natural avalanche will taper off.

If you are heading into the backcountry, please share any observations with the Mountain Information Network.

Snowpack Summary

The latest storm added 20 to 30 cm of additional new snow to the snowpack. Strong to extreme westerly wind redistributed this new snow, farther downslope than normal, forming reactive slabs down to treeline.

This overlies old settling snow in wind-sheltered terrain, hard wind-affected snow in open areas and/or a solid melt-freeze crust in wind-exposed terrain.

The remainder of the snowpack is consolidated with no layers of concern.

Weather Summary

Thursday Night

Cloudy. 5 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -14 °C.

Friday

Mostly cloudy. 1 to 3 cm of snow. 40 km/h west ridgetop wind. Treeline temperature -14 °C.

Saturday

Mostly sunny. 50 km/h west ridgetop wind. Treeline temperature -11 °C.

Sunday

Mostly sunny. 70 km/h west ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Stay off recently wind loaded slopes until they have had a chance to stabilize.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Choose low-angled, sheltered terrain where new snow hasn't been wind-affected.

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.