– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Wed morning, min -5°C on Fri night). Winds increasing (light winds from the S on Wed night, gales from the SE by Fri afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat night, min -9°C on Mon afternoon). Winds decreasing (strong winds from the SW on Sun afternoon, calm by Mon night). | |||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | |  |  |  | |  |  | | | | |  | |
some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | light snow | light snow | snow shwrs | snow shwrs | mod. snow | mod. snow | mod. snow | light snow | some clouds | some clouds | clear | |
Cloud base (m) | 2900 | 1600 | 6500 | 1600 | 2250 | 1600 | 1700 | 1700 | 2700 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | 1 | 4 | 1 | 1 | 9 | 9 | 6 | 3 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -2 | -3 | -5 | -6 | -3 | -4 | -5 | -6 | -8 | -9 | -8 |
min °C | 1 | 1 | 0 | 1 | 1 | -1 | -2 | -3 | -5 | -6 | -6 | -5 | -4 | -5 | -8 | -8 | -9 | -8 |
chill °C | -5 | -5 | -6 | -4 | -3 | -10 | -12 | -13 | -11 | -11 | -13 | -12 | -13 | -12 | -16 | -15 | -16 | -14 |
Freezing level m | 2850 | 3100 | 3000 | 2800 | 2900 | 3050 | 2500 | 2250 | 1950 | 1900 | 1850 | 1750 | 1600 | 1550 | 1550 | 1450 | 1300 | 650 |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Wed morning, min -5°C on Fri night). Winds increasing (light winds from the S on Wed night, gales from the SE by Fri afternoon).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat night, min -9°C on Mon afternoon). Winds decreasing (strong winds from the SW on Sun afternoon, calm by Mon 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.
* 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.