– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 pm Sun 10 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 10 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 10 May Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Tue afternoon, min -2°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun night, calm by Mon afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Wed night, min -11°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat afternoon). | ||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  | |  |  | |  | | | |  |  |  |  | | | |
clear | clear | clear | clear | some clouds | some clouds | rain shwrs | light rain | light rain | some clouds | clear | some clouds | some clouds | cloudy | light snow | heavy snow | snow shwrs | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 20 | 2 | — | — | |
— | — | — | — | — | — | 0.1 | 0.2 | 0.5 | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 2 | 4 | 5 | 8 | 9 | 8 | 5 | 4 | 2 | -2 | -2 | -2 | -5 | -6 | -9 | -10 | -7 | -5 |
min °C | -2 | 0 | 3 | 4 | 7 | 9 | 6 | 5 | 3 | -1 | -2 | -3 | -4 | -5 | -8 | -11 | -11 | -9 | -5 |
-10 | -3 | 2 | 2 | 5 | 7 | 5 | 3 | -2 | -8 | -9 | -9 | -12 | -13 | -18 | -22 | -22 | -17 | -9 | |
2250 | 3000 | 3100 | 3550 | 3900 | 3800 | 3750 | 3350 | 3000 | 2450 | 2400 | 2400 | 2050 | 2050 | 1700 | 1100 | 1400 | 1650 | 1000 | |
Cloud base (m) | 1650 | 9500 | 6750 | 5700 | 5200 | 3450 | 2900 | 1650 | 1700 | 2850 | 2100 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | ||
 | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:22 | — | — |
 | — | — | — | 8:30 | — | — | 8:31 | — | — | 8:32 | — | — | 8:34 | — | — | 8:36 | — | — | 8:37 |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Freeze-thaw conditions (max 9°C on Tue afternoon, min -2°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun night, calm by Mon afternoon).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Wed night, min -11°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat 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.