– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 12 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 5°C on Wed afternoon, min -3°C on Mon morning). Winds decreasing (strong winds from the WNW on Tue night, calm by Wed night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 7°C on Fri afternoon, min -6°C on Sat night). Winds increasing (light winds from the S on Thu morning, strong winds from the SW by Fri night). | |||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | |  | | | | | | |  |  | |  | |
clear | clear | clear | some clouds | cloudy | cloudy | cloudy | rain shwrs | clear | some clouds | clear | clear | some clouds | clear | some clouds | light snow | light snow | light snow | |
Cloud base (m) | 1800 | 2600 | 2050 | 1700 | 1600 | 1650 | 7250 | 8150 | 9100 | 1700 | 1600 | 1600 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 2 |
mm | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | — |
max °C | -1 | 1 | 2 | 0 | 0 | 0 | 1 | 5 | 4 | 6 | 6 | 5 | 6 | 7 | 5 | -1 | -2 | -5 |
min °C | -3 | 0 | 1 | 0 | 0 | -1 | 0 | 3 | 4 | 4 | 6 | 5 | 5 | 7 | 1 | -1 | -3 | -6 |
chill °C | -7 | -4 | -2 | -6 | -6 | -7 | -7 | -2 | 1 | 3 | 3 | 3 | 1 | 3 | -6 | -8 | -11 | -15 |
Freezing level m | 2500 | 2900 | 3450 | 2750 | 2700 | 2750 | 2900 | 3600 | 3700 | 3800 | 3800 | 3800 | 3800 | 3700 | 3200 | 2500 | 2200 | 1800 |
 | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Freeze-thaw conditions (max 5°C on Wed afternoon, min -3°C on Mon morning). Winds decreasing (strong winds from the WNW on Tue night, calm by Wed night).
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 7°C on Fri afternoon, min -6°C on Sat night). Winds increasing (light winds from the S on Thu morning, strong winds from the SW 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 | |||||
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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.