– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 11 pm Fri 19 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMild at first with light rain (total 2mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Fri night, min -3°C on Sat night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the WNW by Sun afternoon). | Days 5–7 Weather SummaryMostly dry. Very mild (max 10°C on Thu afternoon, min 3°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  | | |  | |  | | | |  | |
clear | clear | rain shwrs | snow shwrs | some clouds | snow shwrs | light snow | some clouds | cloudy | rain shwrs | clear | some clouds | risk tstorm | clear | light rain | risk tstorm | clear | some clouds | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 8 | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 2 | — | — | — | — | — | — | 0.1 | — | — | 0.4 | — | 0.1 | 0.3 | — | — | — |
max °C | 5 | 4 | 5 | 0 | -1 | 0 | -1 | -1 | 3 | 3 | 5 | 7 | 7 | 7 | 9 | 8 | 8 | 10 | 10 |
min °C | 4 | 4 | 5 | -3 | -3 | 0 | -2 | -2 | 1 | 3 | 3 | 6 | 5 | 5 | 8 | 7 | 7 | 10 | 7 |
chill °C | -1 | -1 | 0 | -9 | -8 | -3 | -6 | -6 | -2 | 1 | 1 | 4 | 3 | 4 | 6 | 4 | 6 | 7 | 4 |
Freezing level m | 3700 | 3550 | 3700 | 2550 | 2650 | 2950 | 2700 | 2650 | 3100 | 3500 | 3450 | 3850 | 3800 | 3750 | 4100 | 4150 | 4050 | 4400 | 4450 |
Cloud base (m) | 4000 | 4450 | 2250 | 2700 | 2950 | 2300 | 2600 | 3250 | 4250 | 3550 | 4200 | 4400 | 4250 | 4400 | 4500 | ||||
 | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — |
 | — | — | — | 9:57 | — | — | 9:58 | — | — | 9:58 | — | — | 9:58 | — | — | 9:58 | — | — | 9:58 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: Mild at first with light rain (total 2mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Fri night, min -3°C on Sat night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the WNW by Sun afternoon).
The Fortress Weather (Days 3-6):
Mostly dry. Very mild (max 10°C on Thu afternoon, min 3°C on Mon night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
Nakiska Ridgetop- Alta | |||||
 | |||||
Bow Valley- 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.