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Avalanche Forecast

Archived

Mar 18th, 2026–Mar 19th, 2026

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

Regions

South Okanagan, Shuswap, North Okanagan.

Continuously verify conditions as you travel.

Back off steep slopes if the snow surface is wet or slushy.

Confidence

Moderate

  • We are uncertain due to rapidly changing freezing levels.

Avalanche Summary

On Tuesday, sluffing and pinwheeling was reported with no new avalanches.

On Monday, ski cutting and explosive control in the region produced numerous size 1 to 2 storm slab avalanches. These avalanches occurred on all aspects and many were triggered at low elevations.

Snowpack Summary

The surface snow is saturated on all aspects and elevations. This overlies a rapidly settling snowpack at upper elevations.

A widespread crust from earlier this month can be found down 70 cm. Layers of facets, crust, and surface hoar from February and January can be found just below this crust.

The remainder of the snowpack is well settled and strong.

Weather Summary

Wednesday Night
Mostly cloudy. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2700 m.

Thursday
Cloudy. 3 mm of rain at treeline. 40 km/h southwest ridgetop wind. Treeline temperature 2 °C. Freezing level 2400 m.

Friday
Mostly cloudy. 5 mm of rain at treeline. 50 km/h southwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2500 m.

Saturday
Mix of sun and clouds. 1 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent strong wind means wind slabs may be found farther downslope than expected.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Avoid shallow, rocky areas where the snowpack transitions from thick to thin.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.