– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Sun night). Mainly fresh winds. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 10°C on Thu morning, min 0°C on Mon night). Wind will be generally light. | |||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | | |  |  | | | | |
some clouds | cloudy | some clouds | light snow | light snow | light snow | some clouds | clear | some clouds | some clouds | some clouds | light rain | clear | clear | clear | clear | |
Cloud base (m) | 5300 | 4250 | 5300 | 2350 | 1600 | 1600 | 1700 | 1650 | 1950 | 3350 | 2800 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | — |
max °C | 2 | 3 | 4 | 3 | -1 | -1 | 2 | 3 | 3 | 2 | 1 | 2 | 5 | 7 | 8 | 8 |
min °C | 1 | 2 | 4 | -1 | -1 | -1 | -2 | 2 | 2 | 0 | 0 | 1 | 2 | 5 | 8 | 7 |
chill °C | -3 | -2 | 0 | -7 | -6 | -6 | -9 | 2 | -1 | -4 | 0 | 0 | 0 | 4 | 8 | 6 |
Freezing level m | 2850 | 3000 | 3200 | 2550 | 2450 | 2550 | 3100 | 3300 | 3050 | 2700 | 2750 | 2900 | 3450 | 3900 | 3850 | 4200 |
 | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | — | 7:22 | — | — | 7:21 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — |
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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 Sat night. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Sun night). Mainly fresh winds.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 10°C on Thu morning, min 0°C on Mon 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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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.