– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 10°C on Sun afternoon, min 5°C on Mon morning). Winds increasing (light winds from the SW on Sun morning, strong winds from the WNW by Mon night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 10°C on Wed afternoon, min -2°C on Fri night). Winds increasing (light winds from the W on Thu afternoon, near gales from the WNW by Fri night). | |||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | | | | | | | | | | |  | |
clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | light snow | |
Cloud base (m) | 8650 | 7950 | 9550 | 8350 | 8950 | 9150 | 8450 | 8850 | 8850 | 2750 | 1600 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 10 | 8 | 6 | 6 | 6 | 7 | 8 | 7 | 9 | 10 | 9 | 9 | 10 | 8 | 6 | 5 | 2 |
min °C | 7 | 9 | 6 | 5 | 6 | 5 | 6 | 8 | 7 | 7 | 9 | 8 | 8 | 9 | 7 | 6 | 4 | -2 |
chill °C | 5 | 6 | 1 | 0 | 1 | -1 | 2 | 5 | 4 | 4 | 6 | 5 | 5 | 7 | 2 | 0 | -3 | -10 |
Freezing level m | 4050 | 4050 | 4000 | 3700 | 3700 | 3850 | 4000 | 4000 | 4050 | 4100 | 4150 | 4200 | 4050 | 4050 | 4100 | 3700 | 3250 | 2600 |
 | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 6:37 | — | — | 6:35 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 10°C on Sun afternoon, min 5°C on Mon morning). Winds increasing (light winds from the SW on Sun morning, strong winds from the WNW by Mon night).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 10°C on Wed afternoon, min -2°C on Fri night). Winds increasing (light winds from the W on Thu afternoon, near gales from the WNW by Fri night).
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-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.