Avalanche forecast

Waterton Lakes

Dec 7 – 10, 2024Avalanche Canada
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Avalanche danger

Mon
Tue
Alpine
2 · Moderate
Treeline
2 · Moderate
Below
1 · Low
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Highlights

Strong winds and new snow overnight on Saturday are likely to build reactive wind slabs in lee features.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2

    New windslabs may bond poorly to the underlying melt freeze crust and be reactive to skier triggering.

Confidence

Moderate

Avalanche Summary

No new avalanches observed.

Snowpack Summary

A new melt freeze crust has formed on solar slopes at all elevations with warm temps this week. This overlies old windslab and settling early season snow. Snow depth at treeline 80-120 cm. There is a basal crust 10-20cm off the ground.

Weather Summary

Sat

Cloudy with snow beginning in the afternoon, 10 - 20 cm by Sunday morning. Ridgetop winds 70 - 90 km/hr from the SW. Alpine high around 0°C.

Sun

Flurries clearing in the morning, ridgetop winds 60 - 80 km/hr. Temperatures dropping to -10°C overnight.

Mon

Flurries, alpine high of -7°C. Wind decreasing slightly to 50 - 60 km/hr.

Check out the Mountain Weather Forecast for the most up to date information.

Terrain and Travel Advice

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

Regions covered