– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 pm Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sun 08 Nov 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 Tue afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -3°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -3°C on Fri night). Mainly fresh winds. | |||||||||||||||
Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  | | | | | |  | |
cloudy | some clouds | light snow | snow shwrs | light snow | mod. snow | light snow | cloudy | cloudy | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | heavy snow | |
Cloud base (m) | 1600 | 2450 | 2350 | 1600 | 1650 | 1600 | 1600 | 2150 | 1800 | 6950 | 8150 | 1600 | 2000 | 1600 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | 4 | 4 | 3 | 7 | 4 | — | — | — | — | — | — | — | 2 | 13 |
mm | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — |
max °C | -2 | 0 | -1 | -2 | 1 | 1 | 3 | 4 | 3 | 3 | 4 | 2 | 2 | 2 | -1 | -2 |
min °C | -3 | -2 | -2 | -3 | -1 | 1 | 1 | 3 | 2 | 2 | 4 | 2 | 1 | 1 | -1 | -3 |
chill °C | -5 | -5 | -8 | -8 | -6 | -3 | -4 | -2 | -2 | -2 | 0 | -1 | -2 | -5 | -6 | -10 |
Freezing level m | 1200 | 1750 | 1850 | 1700 | 1800 | 2400 | 2300 | 2750 | 2750 | 2800 | 2750 | 2500 | 2550 | 2350 | 1850 | 1600 |
 | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -3°C on Sun night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -3°C on Fri night). Mainly fresh winds.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 2000 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.