– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 20mm), mostly on Fri afternoon. Becoming colder with a light covering of snow ,mostly falling on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMild with light rain (total 6mm) on Tue afternoon Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the WSW by Tue afternoon). | |||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | | |  | | | |  | | | |
some clouds | cloudy | mod. rain | mod. rain | snow shwrs | light snow | some clouds | clear | cloudy | cloudy | clear | some clouds | cloudy | some clouds | cloudy | light snow | light snow | light snow | |
Cloud base (m) | 4950 | 3050 | 2150 | 1650 | 1650 | 1600 | 1600 | 1750 | 5850 | 5450 | 2300 | 1650 | 1650 | 1600 | 1600 | 1600 | 1600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | 2 | 2 | 5 |
mm | — | — | 6 | 8 | 6 | — | — | — | — | — | — | — | — | — | — | — | 6 | — |
max °C | 9 | 9 | 7 | 3 | 2 | -1 | 0 | 3 | 1 | 3 | 4 | 0 | 0 | 1 | 0 | 2 | 2 | 2 |
min °C | 5 | 9 | 4 | 2 | 2 | -3 | -3 | 2 | 1 | 1 | 4 | -1 | -1 | 1 | 0 | 1 | 2 | -1 |
chill °C | 3 | 7 | 0 | 0 | -1 | -9 | -7 | -1 | 1 | 1 | 2 | -6 | -5 | -3 | -4 | -4 | -4 | -8 |
Freezing level m | 3400 | 3500 | 2750 | 2350 | 2300 | 1600 | 1950 | 2400 | 2150 | 2450 | 2450 | 1950 | 2000 | 2200 | 2000 | 2750 | 2400 | 1900 |
 | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Heavy rain (total 20mm), mostly on Fri afternoon. Becoming colder with a light covering of snow ,mostly falling on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mild with light rain (total 6mm) on Tue afternoon Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 4°C on Sun afternoon, min -1°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the WSW by Tue afternoon).
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 | |||||
SHIP5206 |
* 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.