– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 4 pm Wed 26 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 12°C on Wed afternoon, min -2°C on Sat morning). Winds decreasing (fresh winds from the W on Thu night, calm by Fri night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the W on Sun morning, fresh winds from the WSW by Mon night). | ||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  | | |  | | | | |  | |
rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | cloudy | light snow | light snow | cloudy | some clouds | rain shwrs | cloudy | light snow | light snow | some clouds | |
Cloud base (m) | 4300 | 1650 | 2500 | 1800 | 1750 | 2000 | 1750 | 1600 | 1700 | 1700 | 1750 | 2100 | 1950 | 2050 | 1600 | 1600 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | 1 | 2 | — |
mm | 0.3 | 0.4 | 0.1 | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | — |
max °C | 12 | 9 | 5 | 4 | 3 | 3 | 3 | 3 | -1 | -1 | 0 | 2 | 3 | 3 | 2 | 1 | 0 |
min °C | 11 | 6 | 4 | 4 | 3 | 3 | 3 | 0 | -2 | -1 | -1 | 1 | 2 | 1 | 2 | 0 | -2 |
chill °C | 9 | 2 | 1 | 0 | -3 | 0 | 0 | -2 | -4 | -4 | -7 | -2 | -1 | -2 | -1 | -6 | -7 |
Freezing level m | 4150 | 3800 | 3350 | 3100 | 3300 | 3150 | 3050 | 3050 | 2450 | 2500 | 2400 | 3050 | 3200 | 3350 | 2950 | 2750 | 2500 |
 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A dusting of new snow. Freeze-thaw conditions (max 12°C on Wed afternoon, min -2°C on Sat morning). Winds decreasing (fresh winds from the W on Thu night, calm by Fri night).
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the W on Sun morning, fresh winds from the WSW by Mon 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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SHIP5362 | |||||
SHIP7122 |
* 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.