– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 30 Oct 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 afternoon. Temperatures will be below freezing (max 0°C on Sun night, min -8°C on Fri morning). Winds decreasing (fresh winds from the SSE on Fri afternoon, calm by Sat night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -6°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the W by Wed night). | |||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | |  | | | | | |  | |
cloudy | light snow | snow shwrs | clear | some clouds | some clouds | clear | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | light snow | |
Cloud base (m) | 2000 | 1600 | 1600 | 1650 | 1700 | 1700 | 1600 | 6400 | 6100 | 3350 | 2500 | 6050 | 5400 | 1900 | 2400 | 1600 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -7 | -6 | -7 | -6 | -5 | -6 | -4 | -4 | 0 | 2 | 2 | 0 | 0 | 0 | -2 | -3 | -3 | -4 |
min °C | -8 | -6 | -8 | -8 | -5 | -6 | -5 | -4 | -3 | 1 | 1 | -3 | -1 | -1 | -4 | -4 | -3 | -6 |
chill °C | -16 | -15 | -14 | -14 | -11 | -11 | -8 | -10 | -7 | 1 | -2 | -7 | -7 | -4 | -10 | -10 | -9 | -14 |
Freezing level m | 1500 | 1650 | 1050 | 1650 | 1800 | 1200 | 2050 | 1900 | 1300 | 3300 | 3200 | 1900 | 2600 | 2500 | 1950 | 2100 | 1950 | 1650 |
 | 7:45 | — | — | 7:47 | — | — | 6:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — |
 | — | 5:47 | — | — | 5:46 | — | — | 4:45 | — | — | 5:43 | — | — | 5:42 | — | — | 5:39 | — |
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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 afternoon. Temperatures will be below freezing (max 0°C on Sun night, min -8°C on Fri morning). Winds decreasing (fresh winds from the SSE on Fri afternoon, calm by Sat night).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -6°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the W by Wed 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.
| 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.