– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 15°C on Wed afternoon, min -3°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the W by Fri morning). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Mon afternoon, min -4°C on Sat night). Wind will be generally light. | |||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  | | | | | | | | |  | |
clear | clear | clear | clear | clear | rain shwrs | light snow | some clouds | some clouds | some clouds | light snow | clear | clear | clear | clear | clear | some clouds | light rain | |
Cloud base (m) | 9300 | 8800 | 8950 | 1600 | 1600 | 1900 | 1600 | 1650 | 2200 | 1650 | 1600 | 8750 | 3150 | 2400 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 2 | — | — | — | 1 | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.1 | 3 | — | — | — | — | — | — | — | — | — | — | 0.4 |
max °C | 13 | 15 | 10 | 12 | 13 | 7 | 4 | 2 | -1 | -1 | 0 | -3 | 1 | 3 | 2 | 6 | 7 | 4 |
min °C | 10 | 13 | 9 | 9 | 11 | 3 | 1 | 0 | -3 | -3 | -1 | -4 | -3 | 2 | 1 | 2 | 7 | 2 |
chill °C | 10 | 12 | 7 | 7 | 9 | -2 | -5 | -5 | -6 | -5 | -4 | -8 | -6 | 2 | 0 | 2 | 5 | -2 |
Freezing level m | 4100 | 4000 | 4050 | 3950 | 3750 | 3400 | 2250 | 2050 | 1450 | 1850 | 1850 | 1250 | 2050 | 2300 | 3150 | 3550 | 3200 | 2850 |
 | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — | — | 6:21 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 15°C on Wed afternoon, min -3°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the W by Fri morning).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 7°C on Mon afternoon, min -4°C on Sat night). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 2000 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 | |||||
BUOY-PBFW1 |
* 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.