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Avalanche Forecast

Archived

Feb 24th, 2026–Feb 25th, 2026

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

Chic-Choc Mountains, Chic-Chocs.

Snowfall totals were much higher in the Mines Madeleine sector than across the rest of the forecast area. Newly formed wind slabs are reactive to skier traffic. The best riding conditions are currently found below treeline.

Confidence

Moderate

  • We are uncertain due to a limited number of field observations.

Avalanche Summary

In the Mines Madeleine area, the new snow was reactive to skier traffic on south-facing slopes steeper than 40°, as it rests on a sun crust.

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

Snowpack Summary

Between 5 and 30 cm of new snow has fallen since Monday evening, with the Mines Madeleine area receiving the highest accumulations. In alpine terrain and at treeline, this snow has settled on a variety of surfaces: soft snow, older wind slabs, hard snow, sun crusts, and exposed rock.

Below treeline, there is generally 15 to 25 cm of soft snow resting on a progressively denser snowpack.

In the Mines Madeleine area, as well as in some locations on Ernest-Laforce, a layer of large rimed grains is buried beneath 20 to 50 cm of wind slab. This weak layer is one to watch on east through west aspects.

The average snowpack depth at mid-mountain is approximately 110 cm.

Weather Summary

WEATHER FOR THE CHIC-CHOCS RIDGES AND PEAKS
A brief lull is expected on Wednesday, before a return to light snowfall on Thursday.

Tuesday night: Light snow. Accumulation of 2–4 cm. Winds becoming light from the northwest up to 15 km/h. Low −12 °C.

Wednesday: Mostly cloudy. South winds 10–20 km/h. High −8 °C.

Thursday: Snow. Accumulation of 3–5 cm. Southwest winds 10–30 km/h. High −4 °C.

Friday: Sunny. Southwest winds 10–30 km/h. High −12 °C.

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

Terrain and Travel Advice

  • Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.
  • Wind slabs are most reactive during their formation.
  • If triggered, wind slabs may step down to deeper layers, causing larger 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.