– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 3 pm Mon 15 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Mon 15 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Mon 15 Dec 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 Tue night. Temperatures will be below freezing (max -4°C on Tue night, min -14°C on Wed morning). Winds decreasing (extremely windy from the WNW on Tue night, light winds from the SW by Wed night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Sun morning, min -15°C on Thu night). Winds decreasing (severe gales from the WSW on Thu afternoon, light winds from the SW by Sat night). | ||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | | |  | |  | |  |  | |
mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | heavy snow | heavy snow | heavy snow | light snow | light snow | mod. snow | light snow | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
7 | 13 | 17 | 28 | 77 | 13 | 6 | 2 | 14 | 16 | 19 | 2 | 4 | 7 | 4 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -5 | -9 | -5 | -5 | -4 | -13 | -13 | -10 | -5 | -7 | -13 | -14 | -14 | -13 | -12 | -10 | -9 |
min°C | -8 | -10 | -7 | -5 | -13 | -14 | -13 | -12 | -9 | -10 | -15 | -15 | -15 | -15 | -13 | -11 | -10 |
-20 | -22 | -19 | -16 | -30 | -30 | -27 | -24 | -19 | -24 | -29 | -27 | -28 | -27 | -23 | -19 | -17 | |
1900 | 1250 | 1250 | 1500 | 1450 | 800 | 850 | 550 | 850 | 1250 | 650 | 600 | 650 | 450 | 850 | 450 | 0 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1550 | 1600 | 1650 | 1600 | 1600 | 1550 | 1550 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 |
 | — | — | 7:48 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — |
 | 4:09 | — | — | 4:09 | — | — | 4:09 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -4°C on Tue night, min -14°C on Wed morning). Winds decreasing (extremely windy from the WNW on Tue night, light winds from the SW by Wed night).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Sun morning, min -15°C on Thu night). Winds decreasing (severe gales from the WSW on Thu afternoon, light winds from the SW by Sat night).
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
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Winthrop Airport (Washington) |  | ||||
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* 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.