– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Thu night, min -3°C on Sat night). Winds decreasing (fresh winds from the SSE on Fri morning, light winds from the S by Sat afternoon). | |||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | | |  | |  | | |  | |
snow shwrs | mod. snow | mod. snow | light snow | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | mod. snow | cloudy | light snow | some clouds | |
Cloud base (m) | 1600 | 1650 | 1600 | 1700 | 2800 | 1650 | 5750 | 1600 | 1600 | 2500 | 1600 | 1600 | 1650 | 1650 | 1950 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 4 | 6 | 6 | 2 | — | — | — | — | — | — | 1 | 2 | 8 | — | 2 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -1 | 1 | 1 | 2 | 4 | 3 | 2 | 4 | 3 | 2 | 0 | 0 | -1 | 0 | -1 | -2 |
min °C | -2 | 0 | 1 | 2 | 3 | 2 | 2 | 3 | 2 | 0 | 0 | 0 | -1 | -1 | -2 | -3 |
chill °C | -8 | -5 | -4 | -3 | -1 | -1 | -2 | 0 | -2 | -5 | -6 | -6 | -7 | -5 | -4 | -6 |
Freezing level m | 1750 | 2000 | 2300 | 2500 | 2800 | 3100 | 2950 | 2800 | 2850 | 2150 | 2050 | 1950 | 1850 | 1900 | 1900 | 1300 |
 | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | — | 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 moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Mon night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 2°C on Thu night, min -3°C on Sat night). Winds decreasing (fresh winds from the SSE on Fri morning, light winds from the S by Sat afternoon).
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.