Fortress Mountain Long-Range Snow Forecast
Long-Range Snow Forecast for Fortress Mountain
This is the Long-range Snow Forecast for Fortress Mountain, Canada for 9 days from 16 December.
Updated 15 December 2025 18:39 UTC.
Forecast times for Fortress Mountain are in Mountain Time (Canada/Mountain).
For Forecast detail, see below.
Fortress Mountain Snow Forecast Highlights
When will there be fresh snow in Fortress Mountain?
| Next Snow Expected | 16 December |
|---|---|
| Next Snow Amount | 46cm 18in |
| Next 48 Hours | 116cm 46in |
| Next 7 Days | 141cm 55in |
Long-range Snow Outlook for Fortress Mountain
Snowfall
Snow Line
138cm 54in New Snow
Snow falling to resort level.
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Updated 15 December 2025 22:44 UTC
Powder Possible :- 98cm 39in of Fresh Snow is forecast for Fortress Mountain over the next 2 days.
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Fortress Mountain Long-Range (2 weeks+) Snow Forecast Outlook
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.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Tue 16 |  | 46cm 18in New Snow | Max -1℃ 29°F Min -4℃ 24°F |
| Wed 17 |  | 31cm 12in New Snow | Max -3℃ 27°F Min -9℃ 16°F |
| Thu 18 | | 40cm 16in New Snow | Max -2℃ 29°F Min -8℃ 18°F |
| Fri 19 |  | Clear spells. | Max -8℃ 18°F Min -13℃ 9°F |
| Sat 20 | | 12cm 5in New Snow | Max -8℃ 17°F Min -10℃ 13°F |
| Sun 21 | | 4cm 2in New Snow | Max -7℃ 20°F Min -11℃ 11°F |
| Mon 22 | | 5cm 2in New Snow | Max -7℃ 20°F Min -11℃ 13°F |
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 18:39 UTC, next update expected imminently.
Ensemble forecast for Fortress Mountain, Canada at 2,040m
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
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.
Off-Piste Safety in Fortress Mountain
Before skiing or snowboarding off-piste in Fortress Mountain, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.