– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 pm Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the SSE on Fri morning, light winds from the WSW by Fri night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sun afternoon. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Mon night). Wind will be generally light. | ||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  | | | |  | |  |  | | | |
cloudy | cloudy | cloudy | light snow | snow shwrs | cloudy | cloudy | light snow | light snow | light snow | light snow | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 1600 | 1650 | 2900 | 2350 | 1600 | 1700 | 1650 | 1750 | 1600 | 1600 | 1600 | 1600 | 1750 | 1600 | 1600 | 1600 | 1600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | 2 | 7 | — | — | 5 | 5 | 5 | 2 | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 2 | 3 | 1 | -1 | -1 | -2 | -1 | -1 | -2 | -3 | -3 | -4 | -6 | -3 | -4 | -7 |
min °C | 2 | 1 | 2 | 0 | -4 | -2 | -2 | -2 | -2 | -3 | -6 | -4 | -7 | -8 | -4 | -7 | -8 |
chill °C | -3 | -5 | -5 | -6 | -9 | -5 | -6 | -7 | -6 | -7 | -11 | -8 | -7 | -8 | -6 | -10 | -13 |
Freezing level m | 2850 | 2800 | 2400 | 2200 | 1650 | 1700 | 1750 | 1700 | 1700 | 1550 | 1400 | 1300 | 1300 | 600 | 1300 | 1250 | 450 |
 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | 4:28 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — | — | 4:22 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the SSE on Fri morning, light winds from the WSW by Fri night).
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sun afternoon. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Mon night). Wind will be generally light.
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.