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Avalanche Forecast

Archived

Apr 19th, 2026–Apr 20th, 2026

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

This is a brief return of winter at higher elevations, with up to 15 cm of new snow expected and moderate winds promoting the formation of wind slabs. Uncertainty remains regarding how the moist snowpack will react to this new snow. Pay attention to areas of wind loading during your travel.

Confidence

Moderate

  • We are uncertain about forecast precipitation amounts.
  • We are uncertain due to rapidly changing freezing levels.

Avalanche Summary

No new avalanches have been observed or reported.

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

Snowpack Summary

New snow will accumulate overnight from Sunday to Monday on a moist snowpack. A crust may form at the interface between the two layers.

A widespread melt-freeze crust is present at a depth of about 10 to 50 cm, and the snowpack below this crust is well consolidated.

At mid-elevations, the average snowpack depth is around 125 cm.

Weather Summary

WEATHER FOR THE CHIC-CHOCS RIDGES AND PEAKS

Rain will change to snow Sunday evening, with accumulations of up to 15 cm.

Sunday night: Snow, with accumulations up to 15 cm. Northwest wind 30 to 50 km/h. Low of -10 °C. Freezing level in the valley.

Monday: Snow in the morning, then a mix of sun and cloud in the afternoon. Accumulations of 2 to 5 cm. West wind 20 to 40 km/h. High of -7 °C.

Tuesday: A mix of sun and cloud. West wind up to 15 km/h. High of -5 °C. Freezing level at 300 m.

Wednesday: Increasing cloudiness in the afternoon. Northwest wind up to 15 km/h. High of 0 °C. Freezing level at 600 m.

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

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Carefully evaluate steep lines for wind slabs.
  • 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.