– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 am Tue 25 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 12°C on Wed afternoon, min 3°C on Thu night). Winds increasing (light winds from the SW on Tue morning, gales from the SW by Thu night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 5°C on Fri afternoon, min -1°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  | |  | | | | |  | | | | |  | |
clear | clear | clear | clear | clear | rain shwrs | clear | some clouds | clear | clear | some clouds | rain shwrs | snow shwrs | snow shwrs | clear | some clouds | clear | some clouds | |
Cloud base (m) | 9150 | 9650 | 8500 | 5200 | 8850 | 3700 | 3450 | 2750 | 2850 | 3050 | 8200 | 5750 | 6000 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — |
mm | — | — | — | — | — | 0.1 | — | — | — | — | — | 0.1 | — | — | — | — | — | — |
max °C | 7 | 10 | 10 | 10 | 12 | 12 | 9 | 11 | 8 | 3 | 5 | 4 | -1 | 0 | 1 | 2 | 5 | 5 |
min °C | 6 | 10 | 9 | 9 | 12 | 9 | 8 | 11 | 3 | 3 | 5 | 1 | -1 | 0 | 0 | 2 | 4 | 5 |
chill °C | 5 | 9 | 7 | 7 | 10 | 4 | 3 | 7 | -4 | -2 | 1 | -2 | -4 | -3 | -4 | -1 | 2 | 2 |
Freezing level m | 3850 | 4250 | 4300 | 4250 | 4500 | 4450 | 4150 | 4350 | 3850 | 3400 | 3650 | 3500 | 2850 | 2950 | 3100 | 3300 | 3650 | 3800 |
 | 6:43 | — | — | 6:43 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: Mostly dry. Very mild (max 12°C on Wed afternoon, min 3°C on Thu night). Winds increasing (light winds from the SW on Tue morning, gales from the SW by Thu night).
The Fortress Weather (Days 3-6):
A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 5°C on Fri afternoon, min -1°C on Sat morning). 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 |
|---|---|---|---|---|---|
NakiskaRidgetop-Alta | |||||
 | |||||
BowValley-Alta | |||||
Banff Airport |  | ||||
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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.