– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Mon 14 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 14 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 9°C on Sat morning, min 5°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | | | | | | | |
rain shwrs | some clouds | some clouds | light snow | light snow | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 1600 | 1950 | 1900 | 1600 | 9450 | |||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 3 | 2 | -1 | 0 | 2 | 4 | 6 | 6 | 8 | 8 | 7 | 7 | 7 | 6 | 9 | 9 | 8 |
min °C | 3 | 3 | 0 | -1 | -1 | 0 | 2 | 5 | 5 | 6 | 8 | 6 | 5 | 7 | 6 | 7 | 9 | 8 |
chill °C | 3 | 1 | -2 | -3 | -1 | -3 | -1 | 5 | 3 | 5 | 7 | 5 | 5 | 6 | 4 | 5 | 8 | 6 |
Freezing level m | 3300 | 3200 | 2850 | 2550 | 2650 | 2950 | 3350 | 3400 | 3800 | 3750 | 3750 | 3850 | 3700 | 3750 | 3900 | 4000 | 3950 | 4100 |
 | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Tue morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Mild temperatures (max 9°C on Sat morning, min 5°C on Fri morning). Wind will be generally light.
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.