– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Tue afternoon, min -4°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Sun afternoon, min -1°C on Fri night). Wind will be generally light. | ||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | | | | | |  | | | | | |
clear | clear | clear | clear | some clouds | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | |
Cloud base (m) | 9200 | 8100 | 1700 | 1600 | 1700 | 3050 | 3250 | 6450 | 8650 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | 2 | 3 | 3 | 2 | 2 | 2 | -2 | -2 | 0 | -1 | 0 | 1 | 0 | 1 | 2 | 1 |
min °C | 3 | 2 | 2 | 3 | 1 | 1 | 1 | -4 | -3 | 0 | -1 | -1 | 0 | -1 | 0 | 1 | 1 |
chill °C | 0 | -1 | -2 | -1 | -5 | -4 | -2 | -9 | -9 | -5 | -6 | -6 | -6 | -6 | -5 | -3 | -3 |
Freezing level m | 3150 | 3200 | 3050 | 3000 | 2950 | 2950 | 2750 | 1800 | 2150 | 2700 | 2000 | 2750 | 2750 | 2550 | 2950 | 2900 | 3100 |
 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — |
 | 6:06 | — | — | 6:04 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:57 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Freeze-thaw conditions (max 3°C on Tue afternoon, min -4°C on Thu night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 2°C on Sun afternoon, min -1°C on Fri 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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* 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.