– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 27 Oct 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 Wed morning. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -11°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Wed night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Mon morning, min -11°C on Sat morning). Wind will be generally light. | ||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | |  |  |  | | | |  |  | |
light snow | heavy snow | heavy snow | light snow | cloudy | some clouds | snow shwrs | some clouds | light snow | mod. snow | light snow | cloudy | cloudy | some clouds | some clouds | clear | clear | |
Cloud base (m) | 1600 | 1650 | 1600 | 1600 | 1600 | 1800 | 1600 | 1650 | 1650 | 1600 | 1600 | 1650 | 2100 | 1900 | 1600 | 1600 | 1600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 3 | 19 | 16 | 4 | — | — | 2 | — | 2 | 8 | 4 | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -6 | -8 | -10 | -9 | -10 | -10 | -9 | -8 | -7 | -7 | -9 | -10 | -9 | -9 | -9 | -6 | -2 |
min °C | -7 | -9 | -10 | -10 | -11 | -11 | -10 | -10 | -8 | -8 | -10 | -11 | -9 | -10 | -11 | -8 | -4 |
chill °C | -16 | -16 | -18 | -17 | -15 | -16 | -16 | -17 | -17 | -13 | -14 | -18 | -14 | -15 | -19 | -17 | -10 |
Freezing level m | 1600 | 1150 | 1300 | 1350 | 800 | 1200 | 1350 | 400 | 1400 | 1400 | 900 | 1300 | 1450 | 650 | 1200 | 1150 | 250 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 6:48 | — | — |
 | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:47 | — | — | 5:46 | — | — | 4:45 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Wed morning. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -11°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Wed night).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 1°C on Mon morning, min -11°C on Sat morning). Wind will be generally light.
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.