Fortress Mountain Snow Forecast - 7 day
7-Day Snow Forecast for Fortress Mountain
This is the 7-Day Snow Forecast for Fortress Mountain, Canada for 7 days from 16 December.
Updated 16 December 2025 10:32 UTC.
Forecast times for Fortress Mountain are in Coordinated Universal Time (UTC).
For Forecast detail, see below.
Fortress Mountain 7-Day Snow Forecast Highlights
When will there be fresh snow in Fortress Mountain?
| Next Snow Expected | 16 December |
|---|---|
| Next Snow Amount | 22cm 9in |
| Next 48 Hours | 117cm 46in |
| Next 7 Days | 154cm 61in |
7-Day Snow Outlook for Fortress Mountain
Snowfall
Snow Line
154cm 61in New Snow
Snow falling to resort level.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Updated 16 December 2025 13:46 UTC
Powder Possible :- 117cm 46in of Fresh Snow is forecast for Fortress Mountain over the next 2 days.
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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 0℃ 31°F
Min -5℃ 23°F
Below freezing at all levels, with valley temperatures as low as -5℃ 23°F and not getting above 0℃ 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
16
22cm 9in New Snow
Snow showers first, light snow showers then snow showers, heavy snow later.
Snow falling to resort level.
Max -2℃ 29°F
Min -9℃ 16°F
Below freezing at all levels, with valley temperatures as low as -9℃ 16°F and not getting above -2℃ 29°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
17
50cm to 61cm 20in to 24in + New Snow
Heavy snow, snow showers, heavy snow later.
Snow falling to resort level.
Max -1℃ 30°F
Min -8℃ 18°F
Below freezing at all levels, with valley temperatures as low as -8℃ 18°F and not getting above -1℃ 30°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
18
34cm 13in New Snow
Heavy snow showers early, then snow showers later.
Snow falling to resort level.
Max -2℃ 29°F
Min -10℃ 13°F
Below freezing at all levels, with valley temperatures as low as -10℃ 13°F and not getting above -2℃ 29°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
19
13cm 5in New Snow
Heavy snow first, heavy snow showers then fair, clear spells later.
Snow falling to resort level.
Max -8℃ 18°F
Min -11℃ 13°F
Below freezing at all levels, with valley temperatures as low as -11℃ 13°F and not getting above -8℃ 18°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
20
9cm 4in New Snow
Fair early, then heavy snow showers later.
Snow falling to resort level.
Max -7℃ 19°F
Min -14℃ 8°F
Below freezing at all levels, with valley temperatures as low as -14℃ 8°F and not getting above -7℃ 19°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
21
4cm 2in New Snow
Heavy snow showers, fair, heavy snow showers later.
Snow falling to resort level.
Max -6℃ 21°F
Min -9℃ 17°F
Below freezing at all levels, with valley temperatures as low as -9℃ 17°F and not getting above -6℃ 21°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
22
11cm 4in New Snow
Heavy snow showers.
Snow falling to resort level.
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 10:32 UTC, next update expected 16:00 UTC.
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.