Avalanche forecast

Sea To Sky

Mar 16 – 17, 2026Avalanche Canada
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Avalanche danger

Wed
Thu
Alpine
4 · High
Treeline
4 · High
Below
4 · High
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Highlights

High avalanche danger. Avoid avalanche terrain and exposure to overhead hazards like cornices and runout zones.

Avalanche problems

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Very Likely
    Size
    2–3

    New snow and strong winds continue to build storm slabs on all asp and elevations.

  • Loose Wet

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

    Expect wet loose avalanches to be reactive where precipitation falls as rain.

Confidence

High

  • We have a good understanding of the snowpack structure and confidence in the weather forecast.
  • We are confident the snowpack will rapidly weaken with the forecast weather.

Avalanche Summary

No significant new avalanches have been reported since Friday.

Expect a widespread natural avalanche cycle to continue through the forecast period.

Snowpack Summary

45 to 90 mm of precipitation is expected to fall by the end of the forecast period. Freezing levels rise between 1800 and 2400 m. Expect wet, unstable snow below these elevations.

Below 2100 m, a widespread crust is buried 20 to 60 cm deep. The snowpack below the crust is generally well settled and has no significant layers of concern.

Weather Summary

Monday Night

Cloudy. 15 to 35 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Tuesday

Cloudy. 30 to 45 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1800 m.

Wednesday

Cloudy. 40 to 60 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1900 m.

Thursday

Cloudy. 35 to 70 mm of precipitation as snow or rain at treeline. 60 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1900 m.


More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Don't let storm day fever lure you into consequential terrain.
  • Keep in mind that the high density of wet avalanches can make them destructive.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.

Regions covered