– Lat/Long: 50.83° N 115.24° W
The Fortress
Weather Forecast, CanadaIssued: 5 pm Mon 10 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Mon 10 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Mon 10 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) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 9°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of snow turning to light rain (total 3mm) on Sun morning. Freeze-thaw conditions (max 7°C on Sat afternoon, min 0°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | |  |  |  |  | |  | | |
risk tstorm | risk tstorm | rain shwrs | risk tstorm | snow shwrs | light snow | light snow | heavy snow | mod. snow | light snow | some clouds | clear | light rain | rain shwrs | light rain | some clouds | some clouds | |
Cloud base (m) | 4350 | 2200 | 2450 | 2200 | 2200 | 2200 | 2200 | 2200 | 2250 | 2650 | 3050 | 2850 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | 1 | 2 | 2 | 11 | 6 | 2 | — | — | — | — | — | — | — |
mm | 1.1 | 1.7 | 1.5 | 5 | 9 | — | — | — | — | — | — | — | 0.5 | 0.6 | 0.4 | — | — |
max °C | 9 | 8 | 5 | 7 | 6 | 1 | 1 | 0 | 0 | 0 | 2 | 2 | 5 | 5 | 5 | 7 | 7 |
min °C | 8 | 5 | 5 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 5 | 7 | 6 |
chill °C | 5 | 2 | 2 | 3 | -1 | -1 | -2 | -4 | -4 | -3 | -3 | 0 | 0 | 0 | 2 | 4 | 4 |
Freezing level m | 4100 | 3950 | 3750 | 3850 | 3700 | 3150 | 3100 | 3050 | 2950 | 2950 | 3250 | 3250 | 3450 | 3700 | 3700 | 3900 | 3850 |
 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:01 |
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The Fortress Weather (Days 0-3):
The weather forecast for The Fortress is: Moderate rain (total 18mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 9°C on Mon afternoon, min 0°C on Wed night). Wind will be generally light.
The Fortress Weather (Days 3-6):
A dusting of snow turning to light rain (total 3mm) on Sun morning. Freeze-thaw conditions (max 7°C on Sat afternoon, min 0°C on Thu afternoon). 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 |  | ||||
| |||||
lightning 19km NW of Black Diamond |  | ||||
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.