Avalanche forecast

Jasper

Nov 13 – 14, 2025Avalanche Canada
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Avalanche danger

Sat
Sun
Alpine
3 · Considerable
Treeline
3 · Considerable
Below
Early season
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Highlights

New snow and wind on Thursday will form a storm slab, watch for rapidly changing conditions.

Avalanche problems

  • Wind Slabs

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

    New windslabs will be forming in the storm and will sit on old windslabs from extreme winds earlier in the week. Beware of lee features and steep gullies.

  • Storm Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Likely
    Size
    1.5–2.5

    New snow will build a storm slab throughout the day Thursday. These slabs may be forming quickly; watch for signs of instability including cracking and recent avalanche activity.

Confidence

Moderate

Avalanche Summary

A natural size 1 avalanche occurred on Parkers from a glide slab on Wednesday.

Snowpack Summary

How to navigate Early Season Conditions

New snow will be falling on a variable snowpack. Recent extreme winds that scoured much of the alpine also deposited snow into gullies and lee features creating windslabs and variability in snow depth. There is approximately 50-100cms of snow in the alpine, 50cms at treeline, and 30cm below treeline. Early season hazards exist just below the surface.

Weather Summary

A storm is forecasted to arrive Thursday bringing up to 30cm to the Parkway and more (possibly up to 50cm) in some high elevation areas by Friday. Moderate, gusting strong winds will accompany the precipitation and freezing levels are expected to rise to 1800m.

For updated forecasts go to Jasper National Park Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • Watch for fresh storm slabs building throughout the day.

Regions covered