– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 21 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 15°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 10mm), mostly falling on Fri morning. Very mild (max 13°C on Sat afternoon, min 3°C on Fri night). Wind will be generally light. | |||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | |  |  | | |  | | | | |
some clouds | some clouds | some clouds | some clouds | cloudy | clear | cloudy | cloudy | light rain | light rain | light rain | light rain | rain shwrs | clear | some clouds | light rain | |
Cloud base (m) | 1600 | 1650 | 1800 | 1600 | 1700 | 2550 | 6300 | 2400 | 1650 | 1600 | 1600 | 1600 | 8000 | 6800 | 4250 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 0.1 | 3 | 5 | 1.9 | 0.1 | — | — | 0.1 |
max °C | 14 | 12 | 14 | 10 | 11 | 14 | 9 | 14 | 15 | 12 | 8 | 6 | 5 | 10 | 13 | 8 |
min °C | 9 | 9 | 14 | 7 | 8 | 14 | 8 | 10 | 14 | 8 | 8 | 6 | 3 | 4 | 13 | 7 |
chill °C | 8 | 8 | 14 | 6 | 8 | 14 | 8 | 10 | 14 | 8 | 8 | 4 | 1 | 4 | 12 | 6 |
Freezing level m | 3600 | 3450 | 3250 | 2650 | 2750 | 2850 | 3250 | 3200 | 3150 | 2550 | 2250 | 1900 | 1450 | 2500 | 2650 | 2350 |
 | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Light rain (total 10mm), mostly falling on Fri morning. Very mild (max 13°C on Sat afternoon, min 3°C on Fri 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.