– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 06 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 15°C on Wed afternoon, min 4°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the WSW by Thu night). | Days 4–6 Weather SummaryMild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 3°C on Fri morning, min -5°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sat morning). | |||||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  | | |  |  |  | | | | |
clear | some clouds | clear | clear | clear | clear | clear | clear | some clouds | light rain | some clouds | some clouds | cloudy | light snow | snow shwrs | clear | clear | clear | |
Cloud base (m) | 9250 | 8800 | 9550 | 8950 | 8900 | 9050 | 8300 | 1750 | 1600 | 1650 | 1850 | 1850 | 1600 | 1800 | 2900 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — |
max °C | 11 | 14 | 10 | 13 | 15 | 10 | 13 | 14 | 8 | 3 | -1 | -4 | -2 | 0 | -3 | 0 | 2 | 1 |
min °C | 8 | 12 | 10 | 10 | 13 | 10 | 10 | 12 | 4 | 2 | -1 | -5 | -4 | -2 | -5 | -4 | 1 | 0 |
chill °C | 6 | 11 | 9 | 10 | 12 | 8 | 9 | 10 | -1 | -4 | -7 | -10 | -4 | -5 | -10 | -8 | -1 | -2 |
Freezing level m | 3950 | 4050 | 4200 | 4050 | 3950 | 4150 | 4050 | 3900 | 3600 | 2350 | 1850 | 1200 | 1800 | 1750 | 1250 | 1950 | 2250 | 3100 |
 | 7:09 | — | — | 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: Mostly dry. Very mild (max 15°C on Wed afternoon, min 4°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the WSW by Thu night).
Fortress Mountain Weather (Days 3-6):
Mild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 3°C on Fri morning, min -5°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sat morning).
This table gives the weather forecast for Fortress Mountain at the specific elevation of 2000 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.