– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 pm Thu 14 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 14 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 14 May Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -3°C on Sun afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, calm by Sun afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -5°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WNW by Wed afternoon). | ||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | |  |  |  | |  |  | | |  | | | | | | |
light snow | light snow | light snow | mod. snow | light snow | snow shwrs | cloudy | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
4 | 1 | 5 | 7 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -8 | -8 | -8 | -10 | -8 | -6 | -5 | -3 | -3 | -4 | -3 | -3 | -4 | -3 | -2 | 1 | 1 | 0 |
min °C | -8 | -9 | -8 | -10 | -10 | -9 | -8 | -6 | -4 | -4 | -4 | -3 | -5 | -5 | -3 | -2 | -1 | 0 | -2 |
-16 | -16 | -17 | -18 | -19 | -18 | -16 | -11 | -4 | -7 | -7 | -7 | -13 | -12 | -8 | -7 | -8 | -7 | -9 | |
1450 | 1500 | 1550 | 1000 | 1450 | 1500 | 1200 | 1900 | 2100 | 1500 | 2150 | 2200 | 1550 | 2050 | 2300 | 1900 | 2850 | 2750 | 2400 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1650 | 1600 | 1600 | 1600 | 1600 | 1650 | 1600 | 1600 | 1800 | 1700 | 1600 | 1850 | 1600 | 1650 | 2150 | 1600 |
 | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 | — | — | 8:42 |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -3°C on Sun afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, calm by Sun afternoon).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -5°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WNW by Wed afternoon).
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.