– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 05 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 Sat night. Temperatures will be below freezing (max 0°C on Fri morning, min -9°C on Sun morning). Winds increasing (moderate winds from the W on Thu afternoon, severe gales from the WSW by Sat night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 1°C on Wed morning, min -9°C on Sun afternoon). Winds increasing (calm on Sun night, strong winds from the WSW by Tue morning). | ||||||||||||||||
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  | |  |  | |  | | | |  | |
some clouds | snow shwrs | light snow | mod. snow | snow shwrs | cloudy | some clouds | heavy snow | mod. snow | snow shwrs | some clouds | cloudy | clear | some clouds | light snow | light snow | cloudy | |
Cloud base (m) | 2000 | 2750 | 1800 | 1600 | 1700 | 1850 | 1800 | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 2900 | 2250 | 1600 | 1850 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 1 | 2 | 7 | 3 | — | — | 24 | 7 | 4 | — | — | — | — | 2 | 3 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -5 | -2 | 0 | 0 | 0 | 0 | 0 | -3 | -9 | -9 | -3 | -3 | -3 | -3 | -2 | -1 | 0 |
min °C | -5 | -3 | -1 | -1 | -2 | -1 | -1 | -8 | -9 | -9 | -7 | -3 | -5 | -4 | -2 | -2 | -1 |
chill °C | -12 | -10 | -10 | -9 | -10 | -8 | -9 | -20 | -22 | -18 | -12 | -6 | -10 | -9 | -11 | -9 | -7 |
Freezing level m | 1900 | 1650 | 2250 | 2600 | 2250 | 2550 | 2650 | 1500 | 1450 | 1350 | 700 | 1450 | 1400 | 850 | 1950 | 2150 | 2350 |
 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Fri morning, min -9°C on Sun morning). Winds increasing (moderate winds from the W on Thu afternoon, severe gales from the WSW by Sat night).
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 1°C on Wed morning, min -9°C on Sun afternoon). Winds increasing (calm on Sun night, strong winds from the WSW by Tue morning).
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.