– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 23 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 23 Oct 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 11°C on Mon morning, min 3°C on Sun morning). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 13mm), heaviest on Wed afternoon. Freeze-thaw conditions (max 6°C on Mon night, min -1°C on Wed night). Wind will be generally light. | |||||||||||||||
Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | |  | | |  | | |
clear | some clouds | light rain | light rain | cloudy | some clouds | some clouds | cloudy | light rain | light rain | light rain | rain shwrs | light rain | light rain | mod. rain | some clouds | |
Cloud base (m) | 5450 | 3250 | 2500 | 2600 | 2600 | 5000 | 5450 | 2650 | 1700 | 1600 | 1600 | 1600 | 1750 | 1600 | 1900 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.3 | 0.2 | — | — | — | — | 0.2 | 0.8 | 0.1 | 0.3 | 0.8 | 1.6 | 6 | — |
max °C | 4 | 9 | 10 | 6 | 8 | 10 | 5 | 11 | 11 | 6 | 5 | 5 | 4 | 3 | 3 | 1 |
min °C | 4 | 4 | 8 | 4 | 3 | 9 | 5 | 6 | 10 | 2 | 3 | 5 | 2 | 1 | 3 | -1 |
chill °C | 3 | 4 | 8 | 2 | 1 | 8 | 3 | 5 | 10 | 0 | 1 | 3 | 1 | 1 | 2 | -1 |
Freezing level m | 1750 | 2350 | 2300 | 1750 | 2300 | 2400 | 2300 | 2500 | 2350 | 1500 | 1800 | 1700 | 1450 | 1450 | 1450 | 1150 |
 | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — |
 | — | — | 5:58 | — | — | 5:57 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 11°C on Mon morning, min 3°C on Sun morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Wed afternoon. Freeze-thaw conditions (max 6°C on Mon night, min -1°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-PBFW1 |
* 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.