– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 am Fri 15 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Fri 15 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 15 May Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max -3°C on Sun afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri afternoon, light winds from the NW by Sun afternoon). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Wed night, min -5°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon night, calm by Tue morning). | |||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  | |  | | | | | | | | |
light snow | light snow | mod. snow | snow shwrs | snow shwrs | cloudy | clear | some clouds | some clouds | clear | cloudy | cloudy | cloudy | some clouds | some clouds | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | 5 | 10 | 6 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -8 | -9 | -9 | -9 | -7 | -5 | -3 | -3 | -3 | -3 | -4 | -3 | -3 | -1 | -1 | 1 | 2 |
min °C | -9 | -8 | -10 | -10 | -9 | -8 | -6 | -4 | -5 | -4 | -4 | -5 | -4 | -3 | -3 | -2 | 0 | 1 |
-16 | -18 | -17 | -19 | -18 | -16 | -13 | -7 | -10 | -8 | -10 | -13 | -8 | -6 | -8 | -4 | -2 | -3 | |
1550 | 1600 | 1150 | 1450 | 1500 | 1250 | 1950 | 2150 | 1500 | 2200 | 2200 | 1700 | 2100 | 2350 | 2000 | 2500 | 2800 | 3250 | |
Cloud base (m) | 1600 | 1600 | 1600 | 1600 | 1600 | 1750 | 1650 | 1750 | 1650 | 1650 | 1800 | 1600 | 1600 | 1850 | 1700 | 1650 | 2150 | 2200 |
 | 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 Sat morning. Temperatures will be below freezing (max -3°C on Sun afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri afternoon, light winds from the NW by Sun afternoon).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 2°C on Wed night, min -5°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon night, calm by Tue morning).
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.