– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 pm Tue 12 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Wed night. Freeze-thaw conditions (max 14°C on Wed morning, min -1°C on Thu night). Winds increasing (light winds from the SW on Tue afternoon, fresh winds from the SW by Wed afternoon). | Days 5–7 Weather SummaryDrizzle on Fri afternoon followed by colder weather and a heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 4°C on Fri afternoon, min -7°C on Sat night). Wind will be generally light. | ||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | | |  |  | |  |  | | | |
some clouds | some clouds | some clouds | clear | light rain | light rain | rain shwrs | clear | rain shwrs | rain shwrs | heavy snow | mod. snow | mod. snow | light snow | light snow | light snow | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 12 | 6 | 7 | 4 | 1 | 2 | — | |
— | — | — | — | 1.1 | 0.3 | 0.3 | — | 0.1 | 1.5 | — | — | — | — | — | — | — | |
max °C | 12 | 10 | 14 | 12 | 7 | 3 | 5 | 3 | 2 | 4 | 1 | -1 | -1 | -3 | -3 | -1 | -2 |
min °C | 11 | 8 | 12 | 10 | 2 | 2 | 5 | -1 | 1 | 4 | -2 | -2 | -2 | -7 | -4 | -2 | -6 |
10 | 5 | 10 | 6 | -3 | -3 | 1 | -4 | -2 | 2 | -2 | -2 | -2 | -10 | -7 | -4 | -6 | |
3350 | 3750 | 3900 | 3500 | 2650 | 2350 | 2550 | 2200 | 2100 | 2450 | 1900 | 1700 | 1800 | 1350 | 1450 | 1800 | 800 | |
Cloud base (m) | 7750 | 5300 | 3250 | 2500 | 2200 | 2400 | 3300 | 2500 | 2900 | 2300 | 2200 | 2200 | 2200 | 2200 | 2350 | 2250 | |
 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — |
 | — | 9:17 | — | — | 9:20 | — | — | 9:21 | — | — | 9:22 | — | — | 9:23 | — | — | 9:25 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: Some drizzle, heaviest during Wed night. Freeze-thaw conditions (max 14°C on Wed morning, min -1°C on Thu night). Winds increasing (light winds from the SW on Tue afternoon, fresh winds from the SW by Wed afternoon).
The Fortress Weather (Days 3-6):
Drizzle on Fri afternoon followed by colder weather and a heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 4°C on Fri afternoon, min -7°C on Sat night). Wind will be generally light.
This table gives the weather forecast for The Fortress at the specific elevation of 2000 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.