Avalanche Forecast

Moderate

• Uncertainty is due to the limited number of field observations.
• Uncertainty is due to how the snowpack will react to the forecast weather.

Numerous size 1.5 to 2 storm and wind slab avalanches have been reported over the past few days. These avalanches have been triggered naturally, by explosives, remotely, and by skiers. They occurred on all aspects and elevations.

If you're headed into the backcountry please consider filling out a Mountain Information Network report

Another 20 cm of storm snow is expected by Sunday afternoon, bringing storm totals to 60 cm. This storm snow has been accompanied by strong southerly wind, forming deeper deposits on northerly features and scouring south facing terrain.

A layer of surface hoar is found down around 40 to 70 cm in sheltered treeline features. Below treeline, a crust is found at this interface.

The mid and lower snowpack is well settled with no current layers of concern. Treeline snow depths throughout the region range from 150 cm to 250 cm.

Saturday Night
Cloudy. 5 to 15 cm of snow. 40 to 70 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1100 m.

Sunday
Cloudy. 3 to 10 cm of snow at treeline, rain below. 40 to 70 km/h south ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Monday
Cloudy. 20 to 30 cm of snow at treeline, rain below. 40 to 70 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1500 m.

Tuesday
Cloudy. 5 to 20 mm of rain at treeline, snow in the alpine. 50 to 80 km/h southwest ridgetop wind. Treeline temperature 1 °C. Freezing level 1600 m.

More details can be found in the Mountain Weather Forecast.

• Don't let storm day fever lure you into consequential terrain.
• Watch for fresh storm slabs building throughout the day.
• Storm slab size and sensitivity to triggering will likely increase through the day.
• Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.