– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 9 pm Thu 18 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Thu 18 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 18 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 Thu night. Temperatures will be well below freezing (max -9°C on Thu night, min -15°C on Thu night). Winds decreasing (gales from the W on Thu night, fresh winds from the WSW by Sun afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -6°C on Wed morning, min -14°C on Sun night). Winds decreasing (near gales from the SSW on Mon afternoon, light winds from the WSW by Wed afternoon). | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  | | | | |  |  | | |  | |
heavy snow | light snow | heavy snow | heavy snow | mod. snow | heavy snow | heavy snow | light snow | heavy snow | mod. snow | light snow | mod. snow | heavy snow | light snow | cloudy | cloudy | mod. snow | mod. snow | snow shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
24 | 5 | 15 | 15 | 8 | 13 | 13 | 5 | 11 | 8 | 1 | 6 | 15 | 3 | — | — | 6 | 6 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -9 | -14 | -14 | -12 | -12 | -11 | -11 | -10 | -11 | -12 | -12 | -11 | -11 | -12 | -11 | -8 | -6 | -8 | -9 |
min°C | -15 | -15 | -14 | -14 | -13 | -11 | -11 | -10 | -12 | -14 | -13 | -11 | -12 | -12 | -11 | -10 | -7 | -10 | -10 |
-29 | -28 | -26 | -28 | -25 | -23 | -23 | -21 | -23 | -27 | -25 | -22 | -23 | -22 | -20 | -18 | -17 | -18 | -14 | |
850 | 650 | 700 | 500 | 900 | 900 | 850 | 950 | 950 | 350 | 750 | 800 | 650 | 900 | 850 | 350 | 1000 | 1200 | 350 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1650 | 1600 | 1600 | 1600 | 1600 | 1600 | 1750 | 1600 | 1600 | 1600 |
 | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 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 Thu night. Temperatures will be well below freezing (max -9°C on Thu night, min -15°C on Thu night). Winds decreasing (gales from the W on Thu night, fresh winds from the WSW by Sun afternoon).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -6°C on Wed morning, min -14°C on Sun night). Winds decreasing (near gales from the SSW on Mon afternoon, light winds from the WSW by Wed 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.