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Castle Mountain 7-Day Snow Forecast - 9th September 2026

Castle Mountain Snow Forecast - 7 day

GEM
GFS

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Updated 08 September 2026 23:40 BST

7-Day Snow Forecast for Castle Mountain

1-week from 9 September.

For Forecast detail, see below.

Castle Mountain 7-Day Snow Forecast Highlights

When will there be fresh snow in Castle Mountain?

Castle Mountain Snow Forecast Highlights - GEM
Snowfall prediction at mid-mountain (1,842m)
Next Snow?
There is no snow currently in the forecast for Castle Mountain.

7-Day Snow Outlook for Castle Mountain

 
Snowfall

 
Snow Line

Max 18℃ 65°F
Min 3℃ 37°F

Snow unlikely

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Castle Mountain Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 18℃ 65°F
Min 5℃ 42°F

Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 18℃ 65°F

Temperature at BaseTemp at Base

Wed
09

Snow unlikely

ClearClearMixedClear

Clear sky, clear spells, clear sky later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 18℃ 64°F
Min 8℃ 45°F

Valley temperatures from an overnight low of 8℃ 45°F to daytime highs around 18℃ 64°F

Temperature at BaseTemp at Base

Thu
10

Snow unlikely

ClearClearClearShwrs

Clear sky early, then rain showers later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 15℃ 58°F
Min 3℃ 37°F

Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 15℃ 58°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Fri
11

Snow unlikely

ClearFairClearClear

Clear sky, fair, clear sky later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 10℃ 50°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 10℃ 50°F

Temperature at BaseTemp at Base

Sat
12

Snow unlikely

FairCloudCloudCloud

Fair early, then cloudy later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 14℃ 58°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 14℃ 58°F

Temperature at BaseTemp at Base

Sun
13

Snow unlikely

MixedFairMixedMixed

Clear spells, fair, clear spells later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 15℃ 58°F
Min 5℃ 42°F

Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 15℃ 58°F

Temperature at BaseTemp at Base

Mon
14

Snow unlikely

ClearMixedMixedClear

Clear sky, clear spells, clear sky later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

Max 12℃ 53°F
Min 4℃ 39°F

Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 12℃ 53°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Tue
15

Snow unlikely

ClearClearMixedCloud

Clear sky, clear spells, cloudy later.

Forecast times for Castle Mountain are in Edmonton (Canada/Mountain) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Castle Mountain, Canada gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Castle Mountain, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Castle Mountain Snow Forecast updated at 23:40 BST, next update expected imminently.

Snow Reliability

Castle Mountain is known for its reliable snow conditions, with an average snowfall of around 7 meters each season. Visitors can typically expect a solid snow depth throughout the winter, but it's advisable to check the latest snow reports on J2Ski for the most current information.