– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 6°C on Thu afternoon, min -1°C on Tue night). Mainly strong winds. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sat morning. Freeze-thaw conditions (max 7°C on Fri morning, min -5°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, light winds from the WSW by Sat night). | |||||||||||||||
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | | |  | | | |
some clouds | some clouds | cloudy | cloudy | cloudy | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | mod. snow | some clouds | some clouds | |
Cloud base (m) | 1700 | 2600 | 2300 | 1850 | 1600 | 1700 | 8900 | 9400 | 1600 | 1950 | 8850 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 6 | 5 | 7 | 7 | 5 | -1 | -4 | -1 |
min °C | 1 | 0 | 0 | -1 | 0 | 4 | 4 | 5 | 6 | 4 | 5 | 6 | 0 | -5 | -5 | -5 |
chill °C | -2 | -6 | -6 | -7 | -7 | 2 | 4 | 2 | 2 | 1 | 1 | 1 | -8 | -14 | -14 | -13 |
Freezing level m | 3350 | 2750 | 2700 | 2700 | 2750 | 3550 | 3850 | 3900 | 3850 | 3900 | 3850 | 3650 | 3150 | 1900 | 2050 | 1750 |
 | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | — | 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 6°C on Thu afternoon, min -1°C on Tue night). Mainly strong winds.
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 morning, min -5°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, light winds from the WSW by Sat 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 | |||||
SHIP5331 |
* 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.