Current Mountain Snow and Weather Conditions:


Mount Seymour
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Mount Seymour Snowfall and Temperature History


Weather

Currently:		Temp(C)24 hr Snow(cm)Runs Open Base Depth(cm)
5.00.004
 




Forecast


GFS Forecast Updated:  
10 Day snow total
10 day rain total
24 Hour Snow total
GFS Elevation
top/bottom
Location:
Dec 9, 2025: 12am
20.6 cm
206.3 mm
0.3 cm
836 m
936-1265m
seymour
 
                     ― High Clouds ― Mid Clouds ― Low Clouds ― Surface Gusts(Km/Hr) ― 1800m Wind Speed (Km/Hr), Direction

F (Standard)
C (Metric)





Avalanche Bulletin

North Shore
Issued by: avalanche-canada
Issued at: Mon Dec 8, 2025 16:00 PST
Valid Until Tue Dec 9, 2025 16:00 PST
Danger ratingsProblemsDetails

Significant rain and high freezing levels have saturated the snowpack.
Be alert for wet loose avalanche activity, particularly on steep terrain.

TuesdayWednesdayThursday
AlpineModerateModerateLow
TreelineLowLowLow
Below TreelineLowLowLow

Terrain and Travel Advice:
  • A moist or wet snow surface, pinwheeling, and natural avalanches are all indicators of a weakening snowpack.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.
  • Watch for rapidly changing conditions during periods of heavy loading from new snow, wind, or rain.
Wet Loose

Significant rain and high freezing levels have likely saturated the snowpack, making wet loose avalanches possible.

Avalanche Summary

No recent avalanches have been reported. However, observations are extremely limited in this area.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Up to 50 mm of rain fell during the day on Monday, along with elevated freezing levels. This has likely saturated and considerably melted the current snowpack, which diminishes rapidly as you lose elevation. Currently, treeline elevation is estimated to have between 30 to 80 cm of consolidated snow.

For more details, check out this recent MIN report from the Mt.Harvey area.

Weather Summary

Monday Night
Cloudy. 10 to 15 mm of rain at all elevations. 70 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2200 m lowering to 1200 m at night.

Tuesday
Mostly cloudy. 20 to 40 mm of rain expected late afternoon. 40 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level 1200 m.

Wednesday
Cloudy. 10 to 20 mm of rain. 60 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2500 m lowering to 1500 m.

Thursday
Mostly cloudy. 40 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1300 m.


More details can be found in the Mountain Weather Forecast.

Confidence: moderate
Uncertainty is due to rapidly fluctuating freezing levels.
Uncertainty is due to limitations in the field data.
Whistler
Issued by: avalanche-canada
Issued at: Mon Dec 8, 2025 16:00 PST
Valid Until Tue Dec 9, 2025 16:00 PST
Danger ratingsProblemsDetails

The storm is expected to taper off Monday night, resulting in variable snowpack conditions.
Expect significant changes as you travel through different elevations
TuesdayWednesdayThursday
AlpineConsiderableConsiderableModerate
TreelineModerateModerateModerate
Below TreelineLowLowLow

Terrain and Travel Advice:
  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.
  • Loose avalanches may start small, but they can grow and push you into dangerous terrain.
  • Watch for rapidly changing conditions during periods of heavy loading from new snow, wind, or rain.
Storm Slab

Ongoing stormy weather has built widespread reactive slabs. Storm slabs may step down to deeper buried weak layers, creating larger avalanches.

Wet Loose

As the surface snow becomes saturated with rain, wet loose avalanches may occur, and in turn could trigger larger storm slabs.

Avalanche Summary

Several explosive and human-triggered avalanches were reported in the Whistler/Blackcomb area over the last few days. These storm slabs ranged from size 1 to 2.5, with some stepping down to deeper buried layers like the Mid-November crust up to 1 m deep.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

Up to 50 mm of precipitation fell as rain at lower elevations. Uncertainty is related to the amount of new snow at upper elevations, with elevated freezing levels expected Monday night.

This new snow will add to previous storm slabs that have formed over the last few days, which currently overlie older layers such as surface hoar, facets, and crusts.

A hard mid-November crust currently sits 50 to 100 cm deep with facets above and below. Some recent storm slabs have stepped down to this layer.

The snow surface at treeline is likely wet and diminishes rapidly with elevation below 1100 m.

Weather Summary

Monday Night
Cloudy. 10 to 15 cm of snow at treeline. 50 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level at 2200 m lowering to 1500 m.

Tuesday
Partially cloudy. 30 km/h south ridgetop wind. Treeline temperature -3 °C. Freezing level 1300 m.

Wednesday
Cloudy. 15 to 25 mm of precipitation as snow or rain at treeline. 40 km/h west ridgetop wind. Treeline temperature 0°C. Freezing level rising to 1800 m.

Thursday
Mostly cloudy. 30 km/h northwest ridgetop wind. Treeline temperature -3 °C. Freezing level 1300 m.

More details can be found in the Mountain Weather Forecast.

Confidence: moderate
Uncertainty is due to rapidly fluctuating freezing levels.
Coquihalla
Issued by: avalanche-canada
Issued at: Mon Dec 8, 2025 16:00 PST
Valid Until Tue Dec 9, 2025 16:00 PST
Danger ratingsProblemsDetails

The storm is expected to taper off Monday night, resulting in variable snowpack conditions.
Expect rapid changes as you travel through different elevations.
TuesdayWednesdayThursday
AlpineConsiderableModerateModerate
TreelineModerateModerateLow
Below TreelineLowLowLow

Terrain and Travel Advice:
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Keep in mind that the high density of wet avalanches can make them destructive.
  • Be alert to conditions that change with aspect and elevation.
Storm Slab

Ongoing stormy weather has likely built storm slabs, which can be more reactive in leeward terrain. Forecast precipitation (rain or snow) remains particularly uncertain with respect to expected freezing levels.

Wet Loose

As the surface snow becomes wetter, wet loose avalanches will be easy to trigger and may, in turn trigger larger storm slabs with serious consequences.

Avalanche Summary

No recent avalanches have been reported, but observations are very limited in this region.

If you're heading out into the backcountry, please consider sharing your observations on the MIN.

Snowpack Summary

30 to 45 mm of rain has fallen at lower elevations, while heavy wet snow may have accumulated at upper elevations. Exposed terrain has been highly wind-affected by southwesterly winds.

This builds upon previous storm slabs, which currently overlie older layers and a thick melt-freeze crust down 50 to 60 cm.

Total snowpack depths range from around 80 to 150 cm deep at treeline, and diminish rapidly at lower elevations.

Check out this great MIN for recent observations off the Coquihalla.

Weather Summary

Monday Night
Cloudy. 15 to 25 mm of rain or wet snow at upper elevations. 60 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2000 m lowering to 1500 m.

Tuesday
Cloudy. 5 to 15 mm of rain expected late afternoon. 50 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1600 m rising to 2200 m at night.

Wednesday
Cloudy. 10 mm of rain or wet snow at upper elevations. 50 km/h southwest ridgetop wind. Treeline temperature +1 °C. Freezing level 1800 m.

Thursday
Mostly cloudy. 50 km/h southwest ridgetop wind. Treeline temperature +1 °C. Freezing level 1800 m.


More details can be found in the Mountain Weather Forecast.

Confidence: moderate
Uncertainty is due to rapidly fluctuating freezing levels.
Uncertainty is due to limitations in the field data.


↓ - West Vancouver Forecast

Monday nightRain at times heavy ending late this evening then cloudy with 40 percent chance of showers. Amount 10 to 15 mm. Wind west 30 km/h gusting to 50 becoming light near midnight. Low 6.
TuesdayCloudy. 40 percent chance of showers late in the morning and in the afternoon. Wind becoming southeast 20 km/h early in the afternoon. High 9.
Tuesday nightCloudy. 40 percent chance of showers early in the evening. Rain beginning in the evening. Amount 10 to 20 mm. Wind east 20 km/h. Temperature steady near 9.
WednesdayRain. High 11.
Wednesday nightPeriods of rain. Low 9.
ThursdayPeriods of rain. High 10.
Thursday nightPeriods of rain. Low 7.
FridayPeriods of rain. High 9.
Friday nightPeriods of rain. Low plus 5.
SaturdayRain. High 7.
Saturday nightRain. Low plus 5.
SundayPeriods of rain. High 8.

↓ - Vancouver Forecast

Monday nightRain ending late this evening then cloudy with 30 percent chance of showers. Becoming partly cloudy after midnight. Amount 5 to 10 mm. Wind southwest 30 km/h gusting to 50 becoming northwest 20 gusting to 40 late this evening then light overnight. Low 7.
TuesdayBecoming cloudy in the morning. 30 percent chance of showers in the afternoon. Wind becoming southeast 20 km/h near noon. High 9.
Tuesday nightCloudy. 30 percent chance of showers early in the evening. Periods of rain beginning in the evening. Amount 10 to 20 mm. Wind east 20 km/h. Low 7 with temperature rising to 9 by morning.
WednesdayRain. High 11.
Wednesday nightPeriods of rain. Low 9.
ThursdayPeriods of rain. High 10.
Thursday nightPeriods of rain. Low 7.
FridayPeriods of rain. High 9.
Friday nightPeriods of rain. Low plus 5.
SaturdayRain. High 7.
Saturday nightRain. Low plus 5.
SundayPeriods of rain. High 8.

↓ - Richmond Forecast

Monday nightPeriods of rain ending this evening then mainly cloudy with 30 percent chance of showers. Amount 5 to 10 mm. Wind southwest 30 km/h gusting to 50 except gusting to 70 near the water this evening. Low 7.
TuesdayMainly cloudy. 30 percent chance of showers in the afternoon. Wind southwest 20 km/h becoming southeast 20 gusting to 40 in the morning. High 10.
Tuesday nightCloudy. 30 percent chance of showers early in the evening. Rain beginning in the evening. Amount 10 to 20 mm. Wind east 20 km/h gusting to 40 becoming southwest 20 gusting to 40 after midnight. Temperature steady near 9.
WednesdayRain. High 11.
Wednesday nightPeriods of rain. Low 9.
ThursdayPeriods of rain. High 10.
Thursday nightPeriods of rain. Low 7.
FridayPeriods of rain. High 9.
Friday nightPeriods of rain. Low plus 5.
SaturdayRain. High 7.
Saturday nightRain. Low plus 5.
SundayPeriods of rain. High 8.

↓ - Western Satelite Loop

Satelite Loading




History


Load 7 Day Weather History
Current Weather:
MtStrachan
1420m
MtStrachanprecip
1220m
WestVancouver
171m
BlackwallPeak
1940m
SpuzzumCreek
1180m
Temperature(C) OUT OF DATE 1.3 6.4 OUT OF DATE 1.0
Liq Precip Last 24Hr Last Reading At mm 18.0 mm Last Reading At 61.0 mm
Snow Depth2022-7-20 10:000 cm0 cm2024-5-28 12:0019 cm
Wind↓ at 2.2 km/h




Locations

BC: Whistler Blackcomb
BC: Apex Mountain
BC: Fernie
BC: Mt Cain
BC: Cypress Mountain
BC: Mount Seymour
BC: Grouse Mountain
AB: Lake Louise Ski Resort
BC: Kicking Horse
BC: Revelstoke Mountain Resort
Ca: Heavenly
Ca: Diamond Peak
Ca: Mammoth Mtn
Ca: Kirkwood
Ca: Northstar at Tahoe
Ca: Sierra at Tahoe
Ca: Squaw Valley
Co: Crested Butte
Co: Aspen Mountain
Co: Aspen Highlands
Co: Buttermilk
Co: Snowmass
Co: Beaver Creek
Co: Breckenridge Resort
Co: Keystone Resort
Co: Telluride
Co: Vail Resort
Or: Mt Hood Meadows
Ut: Brighton
Ut: Solitude
Ut: Snowbird
Ut: Park City Mountain Resort
Wa: Mount Baker
Wa: Crystal Mountain
Wa: Stevens Pass
Wy: Jackson Hole



**This page is for informational purposes only and is not intended as a guide or gurantee of weather or conditions accuracy. Use with good judgement and explore with caution**
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