– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 9 am Sun 21 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 21 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 21 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 Mon night. Temperatures will be well below freezing (max -8°C on Tue night, min -14°C on Sun night). Winds decreasing (strong winds from the SSW on Mon afternoon, light winds from the SSE by Tue night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Thu morning. Temperatures will be well below freezing (max -7°C on Wed morning, min -11°C on Thu night). Winds increasing (light winds from the SSW on Wed night, fresh winds from the WSW by Thu afternoon). | |||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  | | |  | |  | |  | | | |
cloudy | light snow | snow shwrs | cloudy | light snow | heavy snow | cloudy | cloudy | light snow | light snow | light snow | some clouds | light snow | mod. snow | snow shwrs | some clouds | cloudy | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 2 | 9 | — | 5 | 11 | — | — | 2 | 4 | 2 | — | 4 | 6 | 3 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -10 | -9 | -11 | -12 | -11 | -12 | -12 | -11 | -8 | -7 | -10 | -8 | -8 | -8 | -10 | -10 | -10 | -8 |
min °C | -10 | -9 | -14 | -13 | -11 | -13 | -13 | -11 | -10 | -8 | -10 | -9 | -8 | -9 | -11 | -10 | -10 | -10 |
-20 | -18 | -27 | -24 | -22 | -24 | -25 | -19 | -17 | -14 | -18 | -16 | -17 | -19 | -20 | -18 | -19 | -18 | |
1050 | 1000 | 800 | 650 | 800 | 650 | 750 | 700 | 450 | 1000 | 1000 | 100 | 850 | 1000 | 500 | 1000 | 1050 | 700 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1750 | 1650 | 1600 | 1600 | 1650 | 1600 | 1600 | 1600 | 1600 | 1700 | 1600 | 1600 | 1600 | 1600 | 1600 |
 | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -8°C on Tue night, min -14°C on Sun night). Winds decreasing (strong winds from the SSW on Mon afternoon, light winds from the SSE by Tue night).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu morning. Temperatures will be well below freezing (max -7°C on Wed morning, min -11°C on Thu night). Winds increasing (light winds from the SSW on Wed night, fresh winds from the WSW by Thu 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.
| 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.