– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 20 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 22°C on Mon afternoon, min 7°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 15mm), heaviest on Thu night. Very mild (max 15°C on Thu morning, min 4°C on Fri morning). Wind will be generally light. | |||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | |  |  | |  | | |
clear | clear | some clouds | some clouds | clear | clear | some clouds | cloudy | clear | some clouds | cloudy | light rain | mod. rain | light rain | rain shwrs | some clouds | |
Cloud base (m) | 9550 | 6250 | 1600 | 1650 | 2550 | 1600 | 1600 | 2500 | 4700 | 2750 | 2050 | 1600 | 1600 | 1600 | 1700 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 4 | 0.8 | — |
max °C | 17 | 21 | 22 | 13 | 13 | 15 | 9 | 12 | 15 | 10 | 15 | 14 | 10 | 5 | 7 | 5 |
min °C | 15 | 16 | 20 | 9 | 8 | 15 | 7 | 8 | 15 | 9 | 11 | 11 | 7 | 4 | 6 | 4 |
chill °C | 15 | 16 | 20 | 8 | 7 | 15 | 6 | 8 | 15 | 9 | 11 | 11 | 6 | 2 | 4 | 3 |
Freezing level m | 4000 | 3700 | 3650 | 3600 | 3300 | 2950 | 2700 | 2800 | 2850 | 3200 | 2900 | 2700 | 2300 | 1700 | 2000 | 1950 |
 | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Warm (max 22°C on Mon afternoon, min 7°C on Tue night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Moderate rain (total 15mm), heaviest on Thu night. Very mild (max 15°C on Thu morning, min 4°C on Fri morning). 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.