– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 am Mon 15 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 15 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 15 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 12°C on Tue afternoon, min 2°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 11°C on Thu morning, min 0°C on Sat night). Winds increasing (light winds from the SE on Thu afternoon, fresh winds from the WNW by Sat night). | |||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | | | |  | |  |  | |
clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | rain shwrs | some clouds | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | |
max°C | 4 | 6 | 7 | 10 | 12 | 11 | 10 | 11 | 10 | 11 | 11 | 10 | 10 | 10 | 8 | 4 | 3 | 2 |
min°C | 2 | 5 | 6 | 8 | 11 | 9 | 8 | 11 | 9 | 9 | 11 | 9 | 9 | 10 | 5 | 4 | 2 | 0 |
-1 | 4 | 4 | 5 | 8 | 7 | 6 | 11 | 8 | 8 | 10 | 8 | 7 | 8 | 1 | 0 | -4 | -7 | |
3350 | 3450 | 4200 | 4350 | 4450 | 4350 | 4200 | 4150 | 4200 | 4100 | 4100 | 4100 | 4050 | 4050 | 3950 | 3350 | 3050 | 2950 | |
Cloud base (m) | 2000 | 2650 | 9350 | 8800 | 7100 | 6000 | 4450 | 1600 | 8650 | 2550 | 1600 | |||||||
 | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — |
 | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Very mild (max 12°C on Tue afternoon, min 2°C on Mon morning). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 11°C on Thu morning, min 0°C on Sat night). Winds increasing (light winds from the SE on Thu afternoon, fresh winds from the WNW by Sat night).
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 |
|---|---|---|---|---|---|
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.