– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 9 am Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -9°C on Sun morning, min -14°C on Sun night). Winds decreasing (near gales from the WSW on Sat morning, moderate winds from the SW by Sat night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Thu night. Temperatures will be well below freezing (max -6°C on Thu morning, min -12°C on Tue morning). Winds increasing (calm on Wed afternoon, near gales from the SSE by Thu morning). | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | |  | |  |  |  | |  | |
mod. snow | heavy snow | heavy snow | cloudy | light snow | snow shwrs | light snow | mod. snow | heavy snow | light snow | cloudy | light snow | cloudy | clear | some clouds | some clouds | light snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
9 | 19 | 13 | — | 1 | 10 | 3 | 10 | 13 | 1 | — | 3 | — | — | — | — | 1 | 9 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -11 | -10 | -10 | -9 | -9 | -12 | -11 | -11 | -12 | -11 | -10 | -9 | -8 | -8 | -7 | -6 | -6 | -7 |
min °C | -13 | -11 | -10 | -10 | -10 | -14 | -12 | -11 | -12 | -12 | -11 | -9 | -9 | -8 | -7 | -7 | -6 | -9 |
-25 | -23 | -21 | -19 | -20 | -27 | -24 | -23 | -24 | -23 | -20 | -16 | -14 | -12 | -12 | -18 | -15 | -16 | |
900 | 1000 | 850 | 1000 | 950 | 750 | 700 | 800 | 750 | 950 | 750 | 700 | 1050 | 850 | 600 | 900 | 1100 | 450 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1950 | 1600 | 1600 | 1600 | 1600 | 1650 | 1600 |
 | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -9°C on Sun morning, min -14°C on Sun night). Winds decreasing (near gales from the WSW on Sat morning, moderate winds from the SW by Sat night).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu night. Temperatures will be well below freezing (max -6°C on Thu morning, min -12°C on Tue morning). Winds increasing (calm on Wed afternoon, near gales from the SSE by Thu morning).
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.