– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 4 pm Thu 03 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Thu 03 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 03 Sep 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 Thu night. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 6°C on Tue afternoon, min 2°C on Sun night). Wind will be generally light. | ||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | |  |  |  | | |  | | | | |
light snow | snow shwrs | cloudy | light snow | light snow | cloudy | snow shwrs | snow shwrs | clear | some clouds | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | |
Cloud base (m) | 2350 | 1900 | 2550 | 2200 | 1600 | 1700 | 1700 | 2600 | 3050 | 3150 | 6150 | 3050 | 3400 | 6750 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 1 | 4 | — | 1 | 2 | — | 2 | 1 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -1 | -2 | -1 | 0 | -1 | -1 | 0 | 0 | 2 | 4 | 3 | 3 | 3 | 3 | 5 | 6 | 5 |
min °C | -1 | -3 | -3 | 0 | -2 | -2 | -1 | -1 | 0 | 3 | 2 | 2 | 3 | 3 | 4 | 6 | 5 |
chill °C | -3 | -3 | -3 | -2 | -5 | -6 | -4 | -5 | -2 | 3 | 2 | -1 | 0 | 3 | 2 | 4 | 3 |
Freezing level m | 2550 | 2200 | 2500 | 2600 | 2400 | 2550 | 2650 | 2500 | 2900 | 3100 | 3000 | 2950 | 3000 | 3250 | 3300 | 3450 | 3400 |
 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — |
 | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Thu night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Mild temperatures (max 6°C on Tue afternoon, min 2°C on Sun 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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BUOY-46120 | |||||
* 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.