– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -4°C on Sun morning, min -9°C on Tue night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the N by Mon afternoon). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Wed morning. Temperatures will be well below freezing (max -9°C on Wed morning, min -10°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  |  | | | |  | |  | |  | |
light snow | light snow | cloudy | cloudy | light snow | light snow | cloudy | cloudy | snow shwrs | mod. snow | light snow | snow shwrs | cloudy | snow shwrs | light snow | some clouds | some clouds | clear | |
Cloud base (m) | 2200 | 1600 | 2100 | 2150 | 1950 | 1600 | 1600 | 1600 | 1700 | 1600 | 1600 | 1600 | 1600 | 1600 | 1850 | 1600 | 1600 | 1950 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 1 | 3 | — | — | 3 | 1 | — | — | 5 | 7 | 5 | 1 | — | 3 | 1 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -4 | -4 | -4 | -4 | -4 | -5 | -6 | -7 | -8 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 | -9 |
min °C | -4 | -4 | -4 | -4 | -5 | -6 | -6 | -8 | -9 | -9 | -9 | -10 | -10 | -9 | -10 | -10 | -9 | -10 |
chill °C | -11 | -12 | -11 | -10 | -9 | -11 | -13 | -16 | -16 | -17 | -15 | -16 | -18 | -16 | -17 | -14 | -12 | -14 |
Freezing level m | 1600 | 1700 | 1750 | 2100 | 1800 | 1550 | 1600 | 1500 | 1150 | 1400 | 1400 | 1100 | 1350 | 1350 | 900 | 1300 | 1400 | 550 |
 | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — |
 | — | 5:57 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:47 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -4°C on Sun morning, min -9°C on Tue night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the N by Mon afternoon).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed morning. Temperatures will be well below freezing (max -9°C on Wed morning, min -10°C on Wed night). Wind will be generally light.
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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* 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.