– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 9°C on Tue afternoon, min -3°C on Fri morning). Winds increasing (light winds from the WNW on Wed morning, near gales from the W by Fri morning). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 5°C on Mon morning, min -7°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, calm by Mon morning). | ||||||||||||||||
Tue 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | | | |  | | | | |
some clouds | clear | clear | clear | some clouds | clear | clear | clear | light snow | light snow | some clouds | clear | light snow | snow shwrs | clear | clear | clear | |
Cloud base (m) | 8250 | 8550 | 9450 | 8750 | 8850 | 8300 | 1650 | 1650 | 1600 | 1700 | 2100 | 1700 | 3050 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 2 | 1 | — | — | 1 | 1 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 6 | -1 | -5 | -6 | -6 | -6 | -7 | -5 | -3 | 2 |
min °C | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 2 | -3 | -5 | -7 | -7 | -6 | -7 | -7 | -4 | -3 |
chill °C | 5 | 6 | 6 | 5 | 3 | 5 | 5 | -6 | -13 | -14 | -14 | -11 | -9 | -13 | -13 | -8 | -7 |
Freezing level m | 4000 | 4200 | 4050 | 3950 | 4150 | 4100 | 3950 | 3600 | 2200 | 1950 | 1350 | 1900 | 1850 | 1250 | 2050 | 2350 | 3250 |
 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — |
 | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — |
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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 9°C on Tue afternoon, min -3°C on Fri morning). Winds increasing (light winds from the WNW on Wed morning, near gales from the W by Fri morning).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon morning, min -7°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, calm by Mon morning).
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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* 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.