– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 4 pm Tue 12 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 9°C on Tue afternoon, min -8°C on Thu night). Winds increasing (calm on Tue night, gales from the WNW by Wed afternoon). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -3°C on Sun night, min -11°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, light winds from the N by Sun afternoon). | ||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  | |  | |  |  | |  | |
rain shwrs | rain shwrs | heavy snow | mod. snow | mod. snow | some clouds | some clouds | mod. snow | some clouds | snow shwrs | mod. snow | light snow | snow shwrs | cloudy | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | 11 | 6 | 7 | — | — | 6 | — | 3 | 6 | 2 | 2 | — | — | — | — | |
0.1 | 0.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 9 | 6 | -1 | -4 | -5 | -5 | -5 | -6 | -8 | -8 | -9 | -10 | -8 | -8 | -6 | -4 | -3 |
min °C | 8 | 2 | -3 | -5 | -7 | -5 | -6 | -8 | -8 | -8 | -11 | -11 | -9 | -8 | -7 | -5 | -4 |
6 | 0 | -10 | -16 | -17 | -14 | -14 | -17 | -16 | -15 | -21 | -20 | -17 | -13 | -14 | -9 | -9 | |
3650 | 3400 | 2000 | 1750 | 1650 | 1950 | 2000 | 1550 | 1700 | 1650 | 1000 | 1500 | 1700 | 1100 | 1950 | 2150 | 1700 | |
Cloud base (m) | 6250 | 2100 | 1600 | 1600 | 1600 | 1600 | 1850 | 1600 | 1600 | 1600 | 1650 | 1600 | 1700 | 1600 | 1650 | 1900 | 1750 |
 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — |
 | — | 8:31 | — | — | 8:32 | — | — | 8:34 | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 9°C on Tue afternoon, min -8°C on Thu night). Winds increasing (calm on Tue night, gales from the WNW by Wed afternoon).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Temperatures will be below freezing (max -3°C on Sun night, min -11°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, light winds from the N by Sun afternoon).
This table gives the weather forecast for Fortress Mountain at the specific elevation of 2670 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Fortress Mountain. 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 Washington.