– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 pm Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Tue afternoon. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 1°C on Tue afternoon). Winds increasing (light winds from the SSE on Wed night, fresh winds from the SSE by Fri morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 1°C on Fri afternoon, min -3°C on Sun night). Winds decreasing (fresh winds from the SE on Fri afternoon, light winds from the SSE by Sat night). | ||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | | |  | | | |  | |
mod. snow | light snow | some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | light snow | some clouds | light snow | light snow | mod. snow | light snow | mod. snow | |
Cloud base (m) | 1600 | 1600 | 2800 | 1600 | 1600 | 2400 | 1650 | 1600 | 1900 | 1700 | 2000 | 1600 | 1600 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 6 | 2 | — | — | — | — | — | — | — | — | 3 | — | 1 | 1 | 6 | 3 | 9 |
mm | — | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 2 | 3 | 3 | 2 | 4 | 3 | 2 | 2 | 1 | 0 | 1 | 0 | -1 | -1 | -1 | -2 |
min °C | 1 | 2 | 3 | 2 | 2 | 3 | 2 | 1 | 2 | 0 | 0 | 0 | -1 | -2 | -1 | -2 | -3 |
chill °C | -4 | -3 | 0 | -1 | -2 | 0 | -2 | -5 | -4 | -7 | -7 | -3 | -4 | -5 | -6 | -6 | -7 |
Freezing level m | 2400 | 2650 | 2850 | 3100 | 3100 | 2850 | 2700 | 2800 | 2400 | 2250 | 2100 | 2000 | 2000 | 1550 | 1700 | 1650 | 1550 |
 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — |
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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 Tue afternoon. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 1°C on Tue afternoon). Winds increasing (light winds from the SSE on Wed night, fresh winds from the SSE by Fri morning).
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 1°C on Fri afternoon, min -3°C on Sun night). Winds decreasing (fresh winds from the SE on Fri afternoon, light winds from the SSE by Sat night).
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.