– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 09 Nov 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 Mon afternoon. Freeze-thaw conditions (max 1°C on Wed morning, min -7°C on Mon night). Mainly strong winds. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Sat night). Mainly gales. | |||||||||||||||||
Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | |  | | |  | | |  | | | | |
some clouds | light snow | snow shwrs | light snow | mod. snow | snow shwrs | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | light snow | heavy snow | mod. snow | light snow | heavy snow | |
Cloud base (m) | 2550 | 2600 | 1600 | 1750 | 1600 | 1800 | 2450 | 2000 | 6400 | 6300 | 6250 | 6850 | 2650 | 1600 | 1600 | 1600 | 1600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 5 | 5 | 2 | 6 | 2 | — | — | — | — | — | — | — | 3 | 17 | 9 | 4 | 17 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -5 | -3 | -3 | -2 | -1 | 0 | 1 | 1 | 0 | 0 | -1 | 0 | 0 | -4 | -6 | -6 | -6 | -5 |
min °C | -5 | -4 | -7 | -2 | -1 | -1 | 0 | 0 | 0 | 0 | -1 | -1 | -1 | -4 | -7 | -7 | -6 | -10 |
chill °C | -11 | -13 | -16 | -10 | -9 | -9 | -8 | -7 | -6 | -6 | -8 | -8 | -10 | -13 | -17 | -16 | -13 | -22 |
Freezing level m | 1750 | 1850 | 1700 | 1950 | 2300 | 2350 | 2750 | 2850 | 2750 | 2700 | 2450 | 2350 | 2600 | 2000 | 1600 | 1600 | 1600 | 1500 |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 1°C on Wed morning, min -7°C on Mon night). Mainly strong winds.
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Sat night). Mainly gales.
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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BUOY-PBFW1 | |||||
SHIP7959 |
* 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.