– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 9 pm Sun 28 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sun 28 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sun 28 Dec Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Tue morning, min -7°C on Sun night). Winds decreasing (fresh winds from the WNW on Mon morning, light winds from the WSW by Wed afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -10°C on Sat afternoon). Winds increasing (calm on Wed night, strong winds from the SSE by Fri night). | ||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | |  | |  |  | | | | |
some clouds | some clouds | cloudy | clear | some clouds | clear | clear | some clouds | clear | some clouds | cloudy | cloudy | light snow | cloudy | light snow | snow shwrs | light snow | light snow | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | 11 | 4 | 3 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -1 | -1 | 1 | 0 | 0 | 1 | 1 | 0 | -1 | -4 | -5 | -5 | -4 | -3 | -7 | -9 | -11 |
min °C | -7 | -3 | -2 | -2 | 0 | 0 | -1 | 0 | 0 | -1 | -2 | -5 | -6 | -5 | -4 | -7 | -8 | -10 | -12 |
-14 | -10 | -9 | -7 | -5 | -6 | -7 | -4 | -3 | -3 | -5 | -9 | -13 | -11 | -11 | -14 | -17 | -19 | -22 | |
350 | 1200 | 1450 | 500 | 1100 | 1250 | 900 | 3150 | 3150 | 950 | 1300 | 1250 | 1100 | 1700 | 1500 | 1300 | 1350 | 1300 | 800 | |
Cloud base (m) | 1950 | 2200 | 2150 | 1050 | 1600 | 1600 | 6600 | 1600 | 5300 | 1600 | 1600 | 1600 | 1800 | 1600 | 1600 | 1600 | 1600 | ||
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:16 | — | — | 4:17 | — | — | 4:19 | — | — | 4:20 | — | — | 4:21 | — | — | 4:22 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Freeze-thaw conditions (max 1°C on Tue morning, min -7°C on Sun night). Winds decreasing (fresh winds from the WNW on Mon morning, light winds from the WSW by Wed afternoon).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -10°C on Sat afternoon). Winds increasing (calm on Wed night, strong winds from the SSE by Fri 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.