– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 am Sat 05 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 05 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 05 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 11°C on Wed afternoon, min 1°C on Thu night). Winds increasing (calm on Tue morning, strong winds from the W by Thu night). | |||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  | |  | |  | | | | | |  | |
some clouds | light snow | some clouds | some clouds | some clouds | some clouds | cloudy | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | |
Cloud base (m) | 2500 | 2700 | 6600 | 3350 | 3000 | 2650 | 2450 | 1650 | 9100 | 9150 | 9200 | 9400 | 1800 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | 0.1 |
max °C | -1 | 0 | 0 | 2 | 4 | 2 | 2 | 2 | 2 | 5 | 7 | 7 | 10 | 11 | 10 | 10 | 9 | 5 |
min °C | -2 | 0 | 0 | 1 | 4 | 1 | 1 | 2 | 2 | 3 | 6 | 6 | 8 | 11 | 10 | 10 | 7 | 1 |
chill °C | -4 | -2 | -2 | 1 | 4 | -1 | -2 | 0 | 1 | 3 | 6 | 4 | 5 | 9 | 8 | 6 | 3 | -2 |
Freezing level m | 2600 | 2700 | 2650 | 2850 | 3050 | 2900 | 2900 | 3000 | 3200 | 3450 | 3600 | 4050 | 4350 | 4400 | 4700 | 4250 | 3700 | 3000 |
 | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — |
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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 4°C on Sun afternoon, min -2°C on Sat morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 11°C on Wed afternoon, min 1°C on Thu night). Winds increasing (calm on Tue morning, strong winds from the W by Thu 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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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.