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Avalanche Forecast

Archived

Jan 30th, 2026–Jan 31st, 2026

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

Regions

Rossland, South Okanagan, Shuswap, North Okanagan.

New snow sits over a layer of surface hoar on a crust, building small but touchy storm slabs.

Assess for signs of instability like avalanches, cracking, or whumpfs as you move through terrain.

Confidence

Moderate

  • We are uncertain about how the snowpack will react to the forecast weather.

Avalanche Summary

Several human triggered size 1 storm slabs over the layer of surface hoar and crust from mid-January were reported just east of this region on Thursday. Some remote triggered size 1 avalanches were reported where surface hoar is buried 20 cm or more.

As more snow builds up over the surface hoar layer, avalanche activity will increase in size and reactivity.

Snowpack Summary

15 to 25 cm of snow sits over a surface hoar and crust layer. This new snow will be accompanied by southwest winds, meaning that the crust will likely remain on the surface on southerly aspects while deeper deposits will be found on north and east aspects. The surface hoar is largest in sheltered treeline and below treeline features.

The mid and lower snowpack is well settled.

Check out this MIN from the Big White area for more details.

Weather Summary

Friday Night
Mostly cloudy. 1-3 cm of snow at treeline. 40 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Saturday
Mostly cloudy. 1 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1600 m.

Sunday
Mostly cloudy. 5 mm of rain at treeline, with 4 to 6 cm of snow possible above 1800 m. 40 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1800 m.

Monday
Mix of sun and clouds. 5 to 10 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -2 °C. Freezing levels 1300 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be aware of the potential for human triggerable storm slabs at lower elevations, even on small features.
  • Look for signs of instability: whumphing, hollow sounds, shooting cracks, and recent avalanches.
  • Make observations and continually assess conditions as you travel.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.