– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 pm Mon 07 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 10°C on Wed morning, min 1°C on Mon night). Winds increasing (calm on Tue morning, near gales from the W by Wed night). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sun afternoon). | |||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | | | | |  | |  | | | | |
some clouds | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | |
Cloud base (m) | 1600 | 8450 | 9700 | 8750 | 9400 | 2000 | 3200 | 4550 | 4400 | 2750 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 5 | 7 | 7 | 10 | 10 | 9 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
min °C | 1 | 3 | 6 | 6 | 8 | 10 | 4 | 2 | 1 | -1 | 1 | 1 | 0 | 0 | 1 | 1 |
chill °C | -1 | 3 | 5 | 4 | 6 | 7 | -3 | -5 | -5 | -8 | -1 | -2 | -4 | -4 | -2 | -4 |
Freezing level m | 3100 | 3250 | 3550 | 3900 | 4300 | 4150 | 3850 | 3050 | 2800 | 3000 | 2850 | 2800 | 2650 | 2800 | 2850 | 2850 |
 | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 10°C on Wed morning, min 1°C on Mon night). Winds increasing (calm on Tue morning, near gales from the W by Wed night).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sun afternoon).
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.