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Avalanche Forecast

Archived

Mar 31st, 2026–Apr 1st, 2026

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

Regions

Lizard-Flathead, Akamina, Flathead, Lizard.

Convective flurries are in the forecast, with locally higher snowfall possible.

Reassess continuously and adjust as conditions change.

Confidence

Moderate

  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

No new avalanches were reported.

Going forward, small wind slab avalanches may be triggered in isolated terrain features like steep, extreme terrain and near the base of headwalls, and spill zones.

Snowpack Summary

Convective flurries will accumulate up to 10 cm into Wednesday evening. New snow buries various surfaces including a melt-freeze crust on solar aspects and wind-affected snow elsewhere.

The recent snow sits on a thick crust. Below it, up to 50 cm of rain soaked snow sits on another crust (1 to 10 cm thick) from early March.

Persistent weak layers may linger within the top 150 cm of the snowpack. These are unlikely to trigger in most areas as a result of the thick crust bridging over them.

The mid and lower snowpack is strong in most areas. Snowpack depth tapers rapidly at lower elevations.

Weather Summary

Tuesday Night
Mostly clear skies. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C.

Wednesday
Cloudy. 3 to 5 cm of snow. 30 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Thursday
Cloudy. 5 to 10 cm of snow. 10 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Friday
Mostly cloudy. 2 to 5 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Avoid steep, rocky, and wind-affected areas where triggering slabs is more likely.

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.