– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 3 pm Sat 10 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sat night. Becoming milder with light rain (total 5mm) on Mon morning. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Sat afternoon). Winds increasing (light winds from the W on Sat night, fresh winds from the WNW by Mon afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 5°C on Tue afternoon, min -2°C on Wed afternoon). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu night). | ||||||||||||||||
Sat 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  |  |  |  |  | |  | | | | |
light snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | light snow | rain shwrs | clear | clear | some clouds | light snow | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
1 | 8 | 5 | 5 | 10 | 1 | 2 | 1 | — | — | — | — | 2 | — | — | — | — | |
— | — | — | — | — | 3 | 1.4 | 0.2 | 0.1 | — | — | — | — | — | — | — | — | |
max °C | -1 | -2 | -1 | 0 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 1 | 0 | 2 | 2 | 3 |
min °C | -3 | -3 | -1 | 0 | 0 | 2 | 2 | 2 | 3 | 5 | 4 | 4 | -2 | -1 | 0 | 2 | 0 |
-9 | -7 | -7 | -6 | -6 | -4 | -4 | -4 | 0 | 2 | 1 | 0 | -9 | -7 | -3 | 0 | 0 | |
1750 | 1400 | 1600 | 1850 | 2150 | 2400 | 2400 | 2500 | 2700 | 3500 | 3550 | 3200 | 2100 | 1700 | 1950 | 2600 | 2850 | |
Cloud base (m) | 2950 | 1550 | 1600 | 1600 | 1600 | 1600 | 1600 | 1650 | 1650 | 1600 | 9250 | 1800 | 1050 | 1050 | 1050 | 8500 | |
 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:48 | — | — | 7:48 | — | — |
 | 4:30 | — | — | 4:31 | — | — | 4:32 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Sat night. Becoming milder with light rain (total 5mm) on Mon morning. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Sat afternoon). Winds increasing (light winds from the W on Sat night, fresh winds from the WNW by Mon afternoon).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 5°C on Tue afternoon, min -2°C on Wed afternoon). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu 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.