Fortress Mountain Snow Report and Forecast
Snow Forecast for Fortress Mountain
When will there be fresh snow?
This is the Snow Forecast for Fortress Mountain, Canada for 10 days from 31 May.
Updated 31 May 2025 03:36 BST.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Fortress Mountain. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Fortress Mountain.
Forecast for today in Fortress Mountain
Max 6℃ 43°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 6℃ 43°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
31
up to 1cm New Snow
Clear sky.
Snow falling to resort level.
Fortress Mountain has 1cm - new snow forecast in the next 48 hours.
Fortress Mountain Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Fortress Mountain 7-Day Snow Forecast Overview
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| Sat 31 | Sun 01 | Mon 02 | Tue 03 | Wed 04 | Thu 05 | Fri 06 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F2 | ||||||
| 2,370m 7,776ft | 4℃ 39°F
+1cm
| 3℃ 38°F
+1cm
| 4℃ 40°F
 | 7℃ 45°F
| 6℃ 43°F
| 4℃ 39°F
| 3℃ 38°F
 |
| NW F2 | |||||||
| 2,205m 7,234ft | 5℃ 41°F
| 4℃ 40°F
| 5℃ 42°F
| 8℃ 47°F
| 7℃ 45°F
| 5℃ 41°F
| 4℃ 40°F
|
| NW F2 | |||||||
| 2,040m 6,693ft | 6℃ 43°F
| 5℃ 42°F
| 7℃ 44°F
| 9℃ 49°F
| 8℃ 47°F
| 6℃ 43°F
| 5℃ 42°F
 |
| Snow Line | 2,040m 6,693ft | 2,040m 6,693ft | 2,132m 6,995ft | ||||
| Max Town | 6℃ 43°F | 5℃ 42°F | 7℃ 44°F | 9℃ 49°F | 8℃ 47°F | 6℃ 43°F | 5℃ 42°F |
| Min Town | 0℃ 32°F | -5℃ 22°F | -5℃ 22°F | -5℃ 22°F | -1℃ 31°F | -1℃ 31°F | 2℃ 35°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 6℃ 43°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 6℃ 43°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
31
up to 1cm New Snow
Clear sky.
Snow falling to resort level.
Max 5℃ 42°F
Min -5℃ 22°F
Freeze-thaw conditions, with valley temperatures cooling to -5℃ 22°F and rising to 5℃ 42°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
01
up to 1cm New Snow
Cloudy, clear spells, clear sky later.
Snow falling to resort level.
Max 7℃ 44°F
Min -5℃ 22°F
Freeze-thaw conditions, with valley temperatures cooling to -5℃ 22°F and rising to 7℃ 44°F
Temperature at BaseTemp at Base
Mon
02
Snow unlikely
Clear sky first, fair then clear spells, clear sky later.
Max 9℃ 49°F
Min -5℃ 22°F
Freeze-thaw conditions, with valley temperatures cooling to -5℃ 22°F and rising to 9℃ 49°F
Temperature at BaseTemp at Base
Tue
03
Snow unlikely
Clear sky.
Max 8℃ 47°F
Min -1℃ 31°F
Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 8℃ 47°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Wed
04
Snow unlikely
Clear sky first, clear spells then clear sky, clear spells later.
Max 6℃ 43°F
Min -1℃ 31°F
Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 6℃ 43°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Thu
05
Snow unlikely
Clear sky, clear spells, rain showers later.
Max 5℃ 42°F
Min 2℃ 35°F
Valley temperatures from an overnight low of 2℃ 35°F to daytime highs around 5℃ 42°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
06
Snow unlikely
Light drizzle.
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 03:36 BST, next update expected imminently.
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.