– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 23°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 16°C on Tue afternoon, min 6°C on Wed night). Wind will be generally light. | |||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | |  |  | | | |  | | |
clear | clear | some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | cloudy | some clouds | some clouds | some clouds | rain shwrs | some clouds | |
Cloud base (m) | 9550 | 6300 | 7200 | 1600 | 4900 | 8450 | 2400 | 2550 | 1650 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — |
max °C | 14 | 20 | 22 | 15 | 21 | 23 | 16 | 18 | 20 | 13 | 13 | 16 | 10 | 13 | 15 | 8 |
min °C | 13 | 14 | 21 | 14 | 15 | 23 | 14 | 14 | 19 | 9 | 9 | 15 | 7 | 8 | 13 | 6 |
chill °C | 13 | 14 | 21 | 14 | 15 | 23 | 14 | 14 | 19 | 8 | 8 | 15 | 6 | 7 | 12 | 5 |
Freezing level m | 3800 | 3800 | 3800 | 4000 | 4000 | 4000 | 3900 | 3750 | 3750 | 3800 | 3450 | 3200 | 2750 | 2750 | 2600 | 2400 |
 | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Warm (max 23°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Tue afternoon, min 6°C on Wed night). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 1000 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.