Avalanche forecast

Jasper

Dec 3 – 4, 2025Avalanche Canada
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Archived · expired 10 months ago

Avalanche danger

Fri
Sat
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

Winds will pick up again Wednesday, and then increase further with new snow arriving on Thursday and Friday.

Early season hazards are also still a significant concern out there, as coverage is very thin in many areas.

Avalanche problems

  • Wind Slabs

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

    Moderate to strong westerly winds have redistributed snow at tree line and above, and formed wind slabs in leeward features.

Confidence

Moderate

Avalanche Summary

No new avalanches have been observed or reported in the past few days.

Snowpack Summary

Moderate to strong westerly winds have redistributed snow in open areas at tree line and above. In sheltered areas 30 cm of soft facetted snow overlies a supportive snowpack to ground. A 2cm thick crust is present halfway down the snowpack but has only been observed at tree line elevations.

Weather Summary

Wednesday

Cloudy with sunny periods and isolated flurries.

Precipitation: Trace.

Alpine temperature: High -8 °C.

Ridge wind west: 15 km/h.

Thursday

Flurries.

Accumulation: 6 cm.

Alpine temperature: Low -8 °C, High -6 °C.

Ridge wind west: 15 km/h gusting to 40 km/h.

Friday

Cloudy with scattered flurries.

Accumulation: 4 cm.

Alpine temperature: Low -11 °C, High -8 °C.

Ridge wind southwest: 15 km/h gusting to 45 km/h.

Terrain and Travel Advice

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

Regions covered