– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 am Sun 30 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Tue night. Mild temperatures (max 9°C on Mon afternoon, min 2°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -4°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  |  | |  |  |  | | |  |  | |
light rain | some clouds | clear | clear | clear | clear | some clouds | clear | rain shwrs | rain shwrs | some clouds | light snow | mod. snow | light snow | light snow | clear | cloudy | snow shwrs | |
Cloud base (m) | 1600 | 2050 | 9250 | 5150 | 1750 | 1800 | 2250 | 1600 | 1600 | 1650 | 1600 | 1750 | 2400 | 1850 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 2 | 3 | — | — | 4 |
mm | 0.2 | — | — | — | — | — | — | — | 0.8 | 0.1 | — | — | — | — | — | — | — | — |
max °C | 3 | 4 | 4 | 7 | 9 | 7 | 8 | 8 | 6 | 4 | 1 | 1 | -3 | -4 | -3 | -2 | -1 | -2 |
min °C | 2 | 4 | 4 | 5 | 8 | 7 | 7 | 8 | 4 | 2 | 1 | -1 | -4 | -4 | -3 | -2 | -1 | -3 |
chill °C | -2 | -1 | 0 | 2 | 6 | 6 | 4 | 7 | 1 | -2 | -2 | -6 | -11 | -11 | -9 | -5 | -1 | -6 |
Freezing level m | 3300 | 3400 | 3600 | 3750 | 3800 | 3850 | 3800 | 3700 | 3600 | 3050 | 2800 | 2550 | 2100 | 2150 | 2050 | 2450 | 2550 | 2250 |
 | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 7:49 | — | — | 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: Some drizzle, heaviest during Tue night. Mild temperatures (max 9°C on Mon afternoon, min 2°C on Sun morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -4°C on Thu morning). 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.