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Fortress Mountain 7-Day Snow Forecast - 20th October 2026

Fortress Mountain Snow Forecast - 7 day

GEM
GFS

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Updated 20 October 2026 08:43 CDT

7-Day Snow Forecast for Fortress Mountain

1-week from 20 October.

For Forecast detail, see below.

Fortress Mountain 7-Day Snow Forecast Highlights

When will there be fresh snow in Fortress Mountain?

Fortress Mountain Snow Forecast Highlights - GEM
Snowfall prediction at mid-mountain (2,205m)
Next Snow Expected24 October
Next Snow Amount3cm
Next 48 Hours-
Next 7 Days4cm

7-Day Snow Outlook for Fortress Mountain

 
Snowfall

 
Snow Line

Max 12℃
Min -11℃

4cm New Snow

Snow falling to resort level (2,040m).

Fortress 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 9℃
Min -2℃

Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 9℃

Temperature at BaseTemp at Base

Tue
20

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 12℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Wed
21

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 10℃
Min -2℃

Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 10℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
22

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 0℃
Min -5℃

Valley temperatures from an overnight low of -5℃ to daytime highs around 0℃

Temperature at BaseTemp at Base

Fri
23

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max -3℃
Min -9℃

Below freezing at all levels, with valley temperatures as low as -9℃ and not getting above -3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
24

3cm New Snow

CloudFairFairSnow

Cloudy, fair, heavy snow showers later.

Snow falling to resort level (2,040m).

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

Max -3℃
Min -9℃

Below freezing at all levels, with valley temperatures as low as -9℃ and not getting above -3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
25

1cm New Snow

Light SnowLight SnowMixedLight Snow

Light snow, clear spells, light snow later.

Snow falling to resort level (2,040m).

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

Max -2℃
Min -11℃

Below freezing at all levels, with valley temperatures as low as -11℃ and not getting above -2℃

Temperature at BaseTemp at Base

Mon
26

Snow unlikely

ClearFairFairCloud

Clear sky, fair, cloudy later.

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

This Snow Forecast for Fortress 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 Fortress 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.

Fortress Mountain Snow Forecast updated at 08:43 CDT, next update expected 14:00 CDT.

How reliable is the snow in Fortress Mountain?

Fortress Mountain typically enjoys reliable snow conditions, with an average snowfall of 300 cm annually. For the latest snow depth and conditions, check J2Ski for updated information.