– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 pm Sun 09 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
2 The Fortress Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 18mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Wed morning. Mild temperatures (max 9°C on Sun afternoon, min 1°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 5°C on Fri afternoon, min -1°C on Wed night). Wind will be generally light. | ||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | |  | | |  |  |  |  | |
rain shwrs | rain shwrs | risk tstorm | risk tstorm | risk tstorm | light rain | mod. rain | mod. rain | light snow | light snow | light snow | light snow | light snow | cloudy | clear | cloudy | clear | |
Cloud base (m) | 4300 | 4800 | 4900 | 4300 | 2200 | 2750 | 2300 | 2200 | 2200 | 2200 | 2200 | 2200 | 2300 | 2750 | 3250 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 2 | 2 | — | — | — | — |
mm | 0.1 | 0.7 | 1.9 | 0.9 | 1.1 | 0.8 | 6 | 6 | — | — | — | — | — | — | — | — | — |
max °C | 9 | 9 | 7 | 9 | 9 | 6 | 5 | 4 | 1 | 0 | 0 | -1 | -1 | -1 | 1 | 5 | 5 |
min °C | 8 | 7 | 7 | 9 | 6 | 5 | 4 | 2 | 1 | 0 | -1 | -1 | -1 | -1 | 0 | 4 | 4 |
chill °C | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 0 | -2 | -3 | -5 | -4 | -4 | -4 | -2 | 3 | 0 |
Freezing level m | 4150 | 4200 | 3950 | 4150 | 4000 | 3850 | 3750 | 3600 | 3150 | 3000 | 2950 | 2850 | 2850 | 2800 | 3000 | 3550 | 3650 |
 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — |
 | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: Moderate rain (total 18mm) heaviest on Tue afternoon, then becoming colder with a dusting of snow on Wed morning. Mild temperatures (max 9°C on Sun afternoon, min 1°C on Wed morning). Wind will be generally light.
The Fortress Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 5°C on Fri afternoon, min -1°C on Wed 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 | | ||||
Banff Cs- 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.