– Lat/Long: 48.16° N 120.93° W
Fortress Mountain
Weather Forecast, United StatesIssued: 10 pm Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Fri afternoon, min -2°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the NW by Sun afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Tue afternoon, min -1°C on Tue night). Winds increasing (light winds from the WSW on Mon afternoon, fresh winds from the SW by Wed morning). | |||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  | | | | | | | | | |
rain shwrs | clear | clear | some clouds | snow shwrs | light snow | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | clear | some clouds | |
Cloud base (m) | 1700 | 1800 | 2000 | 1600 | 1650 | 1750 | 2200 | 1650 | 1850 | 1600 | 3750 | 4600 | 2050 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 3 | 4 | 3 | -2 | -2 | 0 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 7 | 4 |
min °C | 2 | 2 | 4 | 0 | -2 | -2 | -2 | 1 | 2 | 2 | 4 | 6 | 5 | 5 | 6 | -1 |
chill °C | -3 | -1 | 2 | -3 | -7 | -8 | -9 | -3 | -4 | -4 | 2 | 4 | 2 | 1 | 2 | -8 |
Freezing level m | 3200 | 3200 | 3100 | 2950 | 2400 | 2450 | 2600 | 2900 | 3100 | 3450 | 3500 | 3550 | 3600 | 3500 | 3450 | 2800 |
 | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — |
 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Fri afternoon, min -2°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the NW by Sun afternoon).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 7°C on Tue afternoon, min -1°C on Tue night). Winds increasing (light winds from the WSW on Mon afternoon, fresh winds from the SW by Wed 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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SHIP8274 | |||||
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.