– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 pm Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 4°C on Wed morning, min -3°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMild at first with light rain (total 2mm) on Fri night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Sun afternoon). Winds decreasing (fresh winds from the WSW on Sat night, calm by Sun night). | |||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | |  |  | | | |
clear | clear | some clouds | light snow | light snow | some clouds | some clouds | light snow | cloudy | light snow | cloudy | some clouds | mod. snow | snow shwrs | some clouds | some clouds | |
Cloud base (m) | 9200 | 2400 | 1600 | 1600 | 1600 | 1600 | 2500 | 1600 | 1600 | 1650 | 1700 | 2900 | 1600 | 1650 | 1600 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | 3 | 1 | — | — | 1 | — | 3 | — | — | 6 | 1 | — | — |
mm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
max °C | 1 | 4 | 2 | -1 | -2 | -1 | -1 | 0 | 1 | 2 | 3 | 3 | 0 | -4 | -5 | -3 |
min °C | 1 | 3 | 0 | -3 | -2 | -2 | -2 | 0 | 1 | 2 | 2 | 1 | -4 | -4 | -6 | -4 |
chill °C | -2 | 1 | -3 | -8 | -7 | -5 | -5 | -5 | -2 | -1 | -1 | -3 | -12 | -11 | -12 | -9 |
Freezing level m | 2500 | 2750 | 2350 | 1600 | 1650 | 1750 | 1250 | 1750 | 2350 | 2450 | 2700 | 3200 | 1800 | 1550 | 1350 | 800 |
 | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | — | 4:39 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 4°C on Wed morning, min -3°C on Wed night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mild at first with light rain (total 2mm) on Fri night followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Sun afternoon). Winds decreasing (fresh winds from the WSW on Sat night, calm by Sun night).
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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* 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.