– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 am Thu 21 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Thu 21 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Thu 21 May Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -6°C on Thu morning). Winds increasing (calm on Fri morning, severe gales from the WSW by Sat night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -6°C on Tue night). Winds decreasing (gales from the SW on Mon afternoon, light winds from the SW by Tue morning). | |||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | | | | | | | | |  |  |  | |
clear | cloudy | some clouds | cloudy | snow shwrs | clear | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | some clouds | some clouds | light snow | heavy snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 11 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -2 | -3 | -3 | -1 | -1 | 0 | 3 | 2 | 1 | 3 | 2 | 1 | 3 | 2 | -3 | -4 | -5 |
min °C | -6 | -3 | -3 | -3 | -2 | -1 | -1 | 2 | 1 | 0 | 2 | 0 | 0 | 3 | -2 | -3 | -5 | -6 |
-6 | -7 | -6 | -3 | -4 | -3 | -5 | -4 | -5 | -6 | -5 | -6 | -6 | -5 | -6 | -6 | -9 | -12 | |
2250 | 2650 | 2450 | 2650 | 2800 | 2900 | 2900 | 3300 | 3250 | 3050 | 3400 | 3300 | 2950 | 3500 | 3100 | 2550 | 2350 | 2100 | |
Cloud base (m) | 2350 | 3000 | 2950 | 3450 | 2800 | 3150 | 2900 | 3200 | 7750 | 8000 | 3700 | 3250 | 2900 | 3550 | 2250 | 2200 | 2200 | |
 | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — | 5:37 | — | — |
 | — | — | 9:30 | — | — | 9:32 | — | — | 9:34 | — | — | 9:35 | — | — | 9:36 | — | — | 9:37 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat afternoon, min -6°C on Thu morning). Winds increasing (calm on Fri morning, severe gales from the WSW by Sat night).
The Fortress Weather (Days 3-6):
A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -6°C on Tue night). Winds decreasing (gales from the SW on Mon afternoon, light winds from the SW by Tue 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.