– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 pm Sun 30 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Wed afternoon. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -4°C on Wed night). Wind will be generally light. | |||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | | | |  | | | |
clear | clear | some clouds | some clouds | some clouds | rain shwrs | light rain | clear | snow shwrs | light snow | some clouds | snow shwrs | some clouds | cloudy | some clouds | clear | |
Cloud base (m) | 9200 | 8950 | 5150 | 3150 | 1600 | 1800 | 2400 | 1600 | 1800 | 2150 | 1900 | 1750 | 2950 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | 5 | — | 1 | — | — | — | — |
mm | — | — | — | — | — | 0.4 | 0.8 | — | — | — | — | — | — | — | — | — |
max °C | 4 | 7 | 8 | 7 | 8 | 8 | 5 | 2 | 2 | 1 | -3 | -2 | -1 | 0 | 3 | 2 |
min °C | 4 | 5 | 8 | 7 | 7 | 7 | 3 | 1 | 1 | -4 | -4 | -2 | -2 | -1 | 2 | 1 |
chill °C | 0 | 2 | 7 | 6 | 5 | 6 | -1 | -3 | -4 | -10 | -10 | -6 | -5 | -1 | 0 | -2 |
Freezing level m | 3650 | 3750 | 3750 | 3850 | 3750 | 3600 | 3450 | 2850 | 2850 | 2400 | 2250 | 2400 | 2200 | 2700 | 3000 | 3050 |
 | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:38 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Drizzle at first, then turning colder with dusting of snow on Wed afternoon. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Wed morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -4°C on Wed night). Wind will be generally light.
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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BUOY-46120 | |||||
* 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.