– 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 SummaryA light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 10°C on Wed afternoon, min -7°C on Fri night). Winds decreasing (near gales from the W on Fri morning, light winds from the NNW by Fri night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Mon morning, min -8°C on Sat morning). 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 | some clouds | light snow | some clouds | snow shwrs | some clouds | light snow | snow shwrs | clear | clear | clear | clear | some clouds | cloudy | |
Cloud base (m) | 9300 | 8800 | 8950 | 1600 | 1600 | 1900 | 1600 | 1650 | 2200 | 1650 | 1600 | 8750 | 3150 | 2400 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 4 | — | 1 | — | 1 | 1 | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 10 | 8 | 8 | 8 | 5 | 0 | -4 | -5 | -7 | -6 | -7 | -5 | -3 | 2 | 4 | 4 | 2 |
min °C | 8 | 9 | 7 | 7 | 7 | 0 | -3 | -5 | -7 | -8 | -6 | -8 | -6 | -4 | -2 | 3 | 3 | 0 |
chill °C | 6 | 6 | 3 | 4 | 3 | -8 | -12 | -12 | -13 | -12 | -10 | -14 | -10 | -7 | -6 | 1 | -2 | -6 |
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: A light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 10°C on Wed afternoon, min -7°C on Fri night). Winds decreasing (near gales from the W on Fri morning, light winds from the NNW by Fri night).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon morning, min -8°C on Sat morning). 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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SHIP12099 | |||||
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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.