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Avalanche Forecast

Archived

Apr 2nd, 2026–Apr 3rd, 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 possible, human triggered probable.
Below Treeline
Natural avalanches unlikely, human triggered possible.
Alpine
Natural and human triggered avalanches likely.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Chic-Choc Mountains, Chic-Chocs.

Friday’s storm will intensify as the day progresses, as will the formation of storm slabs throughout the forecast area. Avoid large starting areas in steep and complex terrain. Stick to simple terrain below tree line to reduce your exposure to danger.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are uncertain due to the track and intensity of the incoming weather system.

Avalanche Summary

Several small, loose snow avalanches (size 1, natural) were observed on the northeast slopes. A size 1.5 avalanche (triggered by human activity, as tracks were present) was also observed, with a deposit 50 to 65 cm thick that had fallen 12 to 24 hours earlier.

If you head into the backcountry, thanks for sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

The expected fresh snow, which could reach up to 25 cm, will settle on a variety of surfaces. The heaviest accumulations are forecast for later in the day on Friday.

In the south, a new sun crust formed on Thursday on the surface of sunny slopes. Beneath this, approximately 15 cm of snow that fell on Wednesday also lies on top of a sun crust that formed on Tuesday.

In the north, between 20 and 50 cm of snow ranging from loose to dense lies on a widespread refreeze crust approximately 2 cm thick. A weak layer of faceted grains has developed on this crust on north-to-east-facing slopes and is reacting in tests at the tree line and in alpine terrain.

At mid-mountain elevations, the average snowpack depth is approximately 120 cm.

Weather Summary

WEATHER FOR THE CHIC-CHOCS RIDGES AND PEAKS

A low-pressure system from Colorado is bringing a winter storm in April, with fresh snow expected on Friday.

Thursday evening and night: Cloudy. Wind from the northwest shifting to the southeast at 15 km/h. Low of -12 °C.

Friday: Snow. Accumulation up to 25 cm. Wind from the southeast at 20 to 50 km/h. High of -4 °C.

Saturday: Sunny. North wind at 20 km/h. High of -1 °C.

Sunday: Mixed precipitation. Snow up to 25 cm. Freezing rain. South wind at 50 to 80 km/h. High of 0 °C. Freezing level at 300 m by late afternoon.


For more details, see the Chic-Chocs alpine weather forecast.

Terrain and Travel Advice

  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.
  • Storm slab size and sensitivity to triggering will likely increase through the day.
  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.