– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Sun 11 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 11 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Mon night, min -7°C on Sun morning). Winds increasing (calm on Mon night, fresh winds from the WNW by Tue night). | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Wed morning). Winds increasing (calm on Wed night, fresh winds from the WSW by Fri night). | |||||||||||||||||
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | |||||||||||||
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 | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 1950 | 2850 | 1650 | 2700 | 2100 | 1900 | 1650 | 1600 | 1700 | 1700 | 9150 | 9600 | 9450 | 8950 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -6 | -5 | -2 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 7 | 8 | 7 |
min °C | -7 | -5 | -6 | -2 | 1 | 1 | 1 | 0 | -1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 8 | 5 |
chill °C | -12 | -9 | -10 | -5 | -2 | -1 | -3 | -6 | -7 | -6 | -4 | -2 | 1 | 3 | 4 | 3 | 7 | 0 |
Freezing level m | 1950 | 2150 | 1600 | 2600 | 2950 | 3400 | 2950 | 2650 | 2600 | 2850 | 3000 | 3700 | 3650 | 3650 | 3900 | 3950 | 4000 | 3800 |
 | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Freeze-thaw conditions (max 2°C on Mon night, min -7°C on Sun morning). Winds increasing (calm on Mon night, fresh winds from the WNW by Tue night).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Mild temperatures (max 8°C on Fri afternoon, min 1°C on Wed morning). Winds increasing (calm on Wed night, fresh winds from the WSW 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 | |||||
SHIP13655 |
* 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.