– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 11 pm Thu 13 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 8°C on Sun afternoon, min -2°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 10°C on Wed afternoon, min 5°C on Sun night). Wind will be generally light. | |||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | | | | |  | |
light snow | some clouds | cloudy | rain shwrs | clear | rain shwrs | rain shwrs | some clouds | cloudy | rain shwrs | rain shwrs | some clouds | rain shwrs | clear | clear | clear | |
Cloud base (m) | 2200 | 2200 | 2750 | 3200 | 3950 | 3600 | 4200 | 4450 | 3850 | 4300 | 4600 | 4650 | 4600 | 9600 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | — | 0.1 | 0.2 | — | — | 0.4 | 0.1 | — | 0.3 | — | — | — |
max °C | -1 | -1 | 1 | 2 | 4 | 7 | 6 | 6 | 8 | 7 | 6 | 9 | 8 | 7 | 9 | 9 |
min °C | -2 | -1 | 0 | 2 | 3 | 7 | 5 | 5 | 7 | 5 | 5 | 8 | 6 | 6 | 8 | 7 |
chill °C | -6 | -1 | 0 | -1 | 1 | 4 | 2 | 2 | 3 | 5 | 3 | 5 | 5 | 4 | 5 | 4 |
Freezing level m | 2700 | 2850 | 3000 | 3350 | 3400 | 3900 | 3800 | 3700 | 3950 | 3950 | 3700 | 4000 | 4000 | 3900 | 4200 | 4300 |
 | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — |
 | — | — | — | 9:02 | — | — | 9:01 | — | — | 9:00 | — | 8:58 | — | — | 8:55 | — |
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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 8°C on Sun afternoon, min -2°C on Thu night). Wind will be generally light.
The Fortress Weather (Days 3-6):
Mostly dry. Very mild (max 10°C on Wed afternoon, min 5°C on Sun 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 |
|---|---|---|---|---|---|
NakiskaRidgetop-Alta | |||||
 | |||||
BowValley-Alta | |||||
Banff Airport | | ||||
BanffCs-Alta | |||||
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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.