– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 9 am Wed 17 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Wed 17 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 17 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 Thu night. Temperatures will be below freezing (max -4°C on Thu afternoon, min -15°C on Thu night). Winds decreasing (severe gales from the WNW on Wed morning, light winds from the SSW by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Extremely cold (max -11°C on Sun morning, min -15°C on Mon night). Winds increasing (light winds from the S on Sat night, gales from the WSW by Mon afternoon). | |||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | |  | | | | | | | |
heavy snow | mod. snow | light snow | mod. snow | heavy snow | heavy snow | light snow | heavy snow | mod. snow | light snow | light snow | cloudy | heavy snow | mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
11 | 7 | 1 | 7 | 15 | 25 | 5 | 12 | 7 | 4 | 1 | — | 11 | 7 | 21 | 13 | 15 | 12 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -13 | -12 | -10 | -7 | -4 | -7 | -14 | -13 | -13 | -12 | -12 | -12 | -11 | -13 | -12 | -14 | -13 | -14 |
min°C | -14 | -12 | -11 | -9 | -6 | -15 | -15 | -15 | -15 | -13 | -12 | -12 | -12 | -13 | -12 | -14 | -14 | -15 |
-29 | -25 | -23 | -17 | -18 | -28 | -28 | -28 | -28 | -24 | -22 | -19 | -24 | -25 | -23 | -27 | -28 | -30 | |
750 | 900 | 500 | 950 | 850 | 1000 | 550 | 700 | 350 | 850 | 800 | 400 | 600 | 850 | 700 | 750 | 750 | 550 | |
Cloud base (m) | 1650 | 1600 | 1600 | 1600 | 1550 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1700 | 1850 | 1600 | 1600 | 1600 | 1600 | 1600 |
 | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — |
 | — | 4:09 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — |
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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 below freezing (max -4°C on Thu afternoon, min -15°C on Thu night). Winds decreasing (severe gales from the WNW on Wed morning, light winds from the SSW by Wed night).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon afternoon. Extremely cold (max -11°C on Sun morning, min -15°C on Mon night). Winds increasing (light winds from the S on Sat night, gales from the WSW by Mon 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.