– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 pm Wed 20 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Wed afternoon. Freeze-thaw conditions (max 1°C on Fri afternoon, min -7°C on Wed afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 3°C on Sat afternoon, min -7°C on Mon night). Winds decreasing (severe gales from the WSW on Sat night, calm by Mon morning). | ||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | |  |  | | |  | |  | |
light snow | snow shwrs | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | clear | clear | some clouds | some clouds | mod. snow | mod. snow | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 10 | 9 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -6 | -5 | -2 | -2 | -1 | 1 | 1 | 0 | 3 | 3 | 1 | 3 | 1 | -4 | -5 | -6 |
min °C | -7 | -6 | -5 | -3 | -3 | -2 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | -3 | -4 | -5 | -7 |
-12 | -12 | -5 | -7 | -6 | -5 | -4 | -2 | -4 | -4 | -6 | -5 | -5 | -9 | -8 | -9 | -11 | |
2100 | 1550 | 2300 | 2700 | 2450 | 2750 | 3050 | 3000 | 3000 | 3300 | 3400 | 3100 | 3400 | 2850 | 2400 | 2250 | 1950 | |
Cloud base (m) | 2300 | 2550 | 2200 | 3000 | 2950 | 3100 | 3200 | 2950 | 3200 | 8500 | 3750 | 2850 | 2200 | 2200 | 2250 | ||
 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — |
 | — | 9:30 | — | — | 9:30 | — | — | 9:32 | — | — | 9:34 | — | — | 9:35 | — | — | 9:36 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: A light covering of new snow mostly falling on Wed afternoon. Freeze-thaw conditions (max 1°C on Fri afternoon, min -7°C on Wed afternoon). Wind will be generally light.
The Fortress Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 3°C on Sat afternoon, min -7°C on Mon night). Winds decreasing (severe gales from the WSW on Sat night, calm by Mon morning).
This table gives the weather forecast for The Fortress at the specific elevation of 3000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of The Fortress. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Alberta.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
NakiskaRidgetop-Alta | |||||
 | |||||
BowValley-Alta | |||||
Banff Airport |  | ||||
BanffCs-Alta | |||||
| |||||
Swansea Mtn | |||||
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.