– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 4 pm Tue 31 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 31 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 31 Mar 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 Wed night. Temperatures will be below freezing (max -5°C on Thu night, min -11°C on Wed night). Winds increasing (light winds from the S on Wed night, fresh winds from the NW by Thu afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -5°C on Fri afternoon). Winds decreasing (fresh winds from the W on Sat night, light winds from the WSW by Mon morning). | ||||||||||||||||
Tue 31 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  | | | |  | | | | |
some clouds | some clouds | light snow | light snow | mod. snow | light snow | some clouds | some clouds | some clouds | clear | some clouds | clear | some clouds | clear | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | 1 | 1 | 10 | 3 | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -8 | -8 | -6 | -7 | -9 | -6 | -5 | -5 | -5 | -4 | -2 | -1 | -2 | -1 | 0 | 1 |
min °C | -8 | -9 | -9 | -7 | -11 | -11 | -7 | -7 | -5 | -5 | -5 | -3 | -1 | -2 | -2 | 0 | 0 |
-13 | -15 | -16 | -15 | -19 | -21 | -14 | -15 | -12 | -11 | -11 | -7 | -5 | -8 | -9 | -5 | -4 | |
1650 | 900 | 1350 | 1500 | 1000 | 1300 | 1400 | 1100 | 1400 | 1850 | 1350 | 2400 | 2600 | 2150 | 2550 | 2750 | 2800 | |
Cloud base (m) | 4200 | 2800 | 1600 | 1700 | 1600 | 1650 | 1600 | 1600 | 1600 | 1600 | 1600 | 2300 | 3200 | 4550 | 2500 | 6800 | |
 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — |
 | 7:31 | — | — | 7:32 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -5°C on Thu night, min -11°C on Wed night). Winds increasing (light winds from the S on Wed night, fresh winds from the NW by Thu afternoon).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -5°C on Fri afternoon). Winds decreasing (fresh winds from the W on Sat night, light winds from the WSW by Mon 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.
| 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.