– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 8°C on Thu afternoon, min 2°C on Fri night). Winds increasing (calm on Wed night, near gales from the WSW by Fri night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max 0°C on Sat morning, min -6°C on Sat afternoon). Winds decreasing (near gales from the WSW on Sat morning, calm by Sat night). | |||||||||||||||||
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  |  | | | |  | | |  | |
some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | light snow | snow shwrs | clear | some clouds | some clouds | cloudy | light snow | light snow | snow shwrs | |
Cloud base (m) | 1650 | 9500 | 9200 | 8650 | 1750 | 1600 | 1600 | 6600 | 6100 | 4450 | 2350 | 1600 | 1600 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 3 | 4 | — | — | — | — | 1 | 1 | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 6 | 5 | 7 | 8 | 6 | 7 | 7 | 5 | 0 | -4 | -3 | -1 | 0 | 0 | -4 | -5 | -5 |
min °C | 3 | 5 | 5 | 5 | 7 | 5 | 5 | 6 | 2 | -3 | -6 | -5 | -3 | 0 | -2 | -5 | -5 | -6 |
chill °C | -3 | 2 | 3 | 5 | 4 | 2 | 1 | 1 | -6 | -13 | -16 | -14 | -6 | -3 | -6 | -11 | -10 | -11 |
Freezing level m | 3600 | 3600 | 3850 | 4000 | 4050 | 3900 | 3800 | 3650 | 3200 | 2300 | 1650 | 1400 | 2500 | 2750 | 2200 | 1900 | 1750 | 1400 |
 | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — |
 | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — | — | 6:08 | — | — | 6:07 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Mild temperatures (max 8°C on Thu afternoon, min 2°C on Fri night). Winds increasing (calm on Wed night, near gales from the WSW by Fri night).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max 0°C on Sat morning, min -6°C on Sat afternoon). Winds decreasing (near gales from the WSW on Sat morning, calm 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 |
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Winthrop Airport (Washington) |  | ||||
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SHIP11229 |
* 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.