Fortress Mountain Snow Report and Forecast
Snow Forecast for Fortress Mountain
This is the Snow Forecast for Fortress Mountain, Canada for 10 days from 14 November.
Updated 13 November 2025 20:34 PST.
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Fortress Mountain.
J2Ski - Sign In to see the full long-range snow forecast (out to 16 days, with more weather detail).
Fortress Mountain Snow Forecast Highlights
When will there be fresh snow in Fortress Mountain?
| Next Snow Expected | 14 November |
|---|---|
| Next Snow Amount | 7in |
| Next 48 Hours | 11in |
| Next 7 Days | 15in |
Forecast for today in Fortress Mountain
Max 33°F
Min 27°F
Valley temperatures from an overnight low of 27°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
14
7in New Snow
Snow showers, cloudy, heavy snow later.
Snow falling to resort level.
Powder Alert!
Updated 13 November 2025 22:39 PST
Powder Possible :- 10in of Fresh Snow is forecast for Fortress Mountain over the next 2 days.
Fortress Mountain Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
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| Fri 14 | Sat 15 | Sun 16 | Mon 17 | Tue 18 | Wed 19 | Thu 20 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F3 | ||||||
| 7,776ft | 29°F
+7in
| 31°F
 +4in
| 33°F
 | 31°F
+1in
| 29°F
 +2in
| 23°F
 | 24°F
+1in
|
| SW F3 | |||||||
| 7,234ft | 31°F
+7in
| 33°F
+3in
| 35°F
| 33°F
+1in
| 31°F
+2in
| 24°F
| 26°F
+1in
|
| SW F3 | |||||||
| 6,693ft | 33°F
+7in
| 35°F
+3in
| 37°F
| 35°F
| 33°F
+2in
| 26°F
| 28°F
+1in
|
| Snow Line | 6,693ft | varying 6,742ft | 6,693ft | 6,693ft | 6,693ft | 6,693ft | 6,693ft |
| Max Town | 33°F | 35°F | 37°F | 35°F | 33°F | 26°F | 28°F |
| Min Town | 27°F | 28°F | 30°F | 27°F | 21°F | 13°F | 20°F |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
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 33°F
Min 27°F
Valley temperatures from an overnight low of 27°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
14
7in New Snow
Snow showers, cloudy, heavy snow later.
Snow falling to resort level.
Max 35°F
Min 28°F
Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 35°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
15
3in to 4in New Snow
Heavy snow showers, snow showers, light snow later.
Snow Line from 6,742ft to resort level.
Max 37°F
Min 30°F
Valley temperatures from an overnight low of 30°F to daytime highs around 37°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
16
New Snow
Light snow early, then clear spells later.
Snow falling to resort level.
Max 35°F
Min 27°F
Freeze-thaw conditions, with valley temperatures cooling to 27°F and rising to 35°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
17
up to 1in New Snow
Cloudy, snow showers, light snow later.
Snow falling to resort level.
Max 33°F
Min 21°F
Valley temperatures from an overnight low of 21°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
18
2in New Snow
Heavy snow showers, cloudy, fair later.
Snow falling to resort level.
Max 26°F
Min 13°F
Below freezing at all levels, with valley temperatures as low as 13°F and not getting above 26°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
19
Snow unlikely
Light snow, clear sky, cloudy later.
Max 28°F
Min 20°F
Below freezing at all levels, with valley temperatures as low as 20°F and not getting above 28°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
20
1in New Snow
Clear spells first, cloudy then heavy snow showers, light snow later.
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 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 20:34 PST, next update expected 02:00 PST.
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.
Understanding and predicting Snow Conditions in Fortress Mountain
Here are our tips for making the most of a trip to Fortress Mountain, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Fortress Mountain, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Fortress Mountain is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Fortress Mountain will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Fortress Mountain for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.