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Fortress Mountain 7-Day Snow Forecast - 25th September 2026

Fortress Mountain Snow Forecast - 7 day

GEM
GFS

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Updated 24 September 2026 05:44 PDT

7-Day Snow Forecast for Fortress Mountain

1-week from 25 September.

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 (7,234ft)
Next Snow Expected25 September
Next Snow Amount3in
Next 48 Hours3in
Next 7 Days3in

7-Day Snow Outlook for Fortress Mountain

 
Snowfall

 
Snow Line

Max 52°F
Min 21°F

4in New Snow

Snow Line from 6,946ft to resort level (6,693ft).

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 43°F
Min 29°F

Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 43°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
25

1in to 3in New Snow

MixedShwrsCloudLight Snow

Clear spells first, rain showers then cloudy, light snow later.

Snow Line from 6,946ft to resort level (6,693ft).

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

Max 44°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 44°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
26

1in New Snow

Light SnowSnowMixedClear

Light snow first, heavy snow showers then clear spells, clear sky later.

Snow falling to resort level (6,693ft).

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

Max 49°F
Min 21°F

Freeze-thaw conditions, with valley temperatures cooling to 21°F and rising to 49°F

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

FairClearFairClear

Fair first, clear sky then fair, clear sky later.

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

Max 49°F
Min 26°F

Freeze-thaw conditions, with valley temperatures cooling to 26°F and rising to 49°F

Temperature at BaseTemp at Base

Mon
28

Snow unlikely

ClearClearMixedClear

Clear sky, clear spells, clear sky later.

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

Max 52°F
Min 28°F

Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 52°F

Temperature at BaseTemp at Base

Tue
29

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

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

Max 46°F
Min 36°F

Valley temperatures from an overnight low of 36°F to daytime highs around 46°F

Temperature at BaseTemp at Base

Wed
30

Snow unlikely

FairDrizzleMixedMixed

Fair, drizzle, clear spells later.

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

Max 40°F
Min 29°F

Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 40°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
01

Snow unlikely

Lt RainFairLight SnowClear

Light rain showers first, fair then light snow, clear sky 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 trail 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 05:44 PDT, next update expected imminently.

Snow Reliability

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.