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Avalanche Forecast

Archived

Jan 29th, 2026–Jan 30th, 2026

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.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Coquihalla, Harrison-Fraser, Manning, Skagit.

Strong southwest wind may form slabs on lee features at treeline and above.

Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Confidence

Moderate

  • We are uncertain about forecast snowfall amounts.

Avalanche Summary

No recent avalanches have been reported.

Snowpack Summary

15 to 25 cm of new snow and strong southwest wind may form wind slabs at treeline and above. The recent snow overlies a persistent weak layer.

At treeline and above, this layer is primarily a hard crust with weak facets above and/or below.

In sheltered treeline locations and below, this layer may be a combination of hard crust and/or surface hoar.

The mid/lower snowpack is generally well settled and strong.

Snowpack depth ranges between 100 to 250 cm at treeline elevations.

Weather Summary

Thursday Night
Cloudy. 10 to 20 cm of snow above 1400 m (rain below). 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1700 m.

Friday
Mostly cloudy. 15 to 20 cm of snow above 1300 m (rain below). 60 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Saturday
Mostly cloudy. 40 km/h southwest ridgetop wind. Treeline temperature 4 °C. Freezing level 2600 m.

Sunday
Mostly cloudy. 3 to 10 cm of snow above 1500 m (rain below). 50 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1800 m.

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 and sun exposure.
  • Use ridges or ribs to avoid areas of wind-loaded snow.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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.