– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 11 Sep 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 Sun morning. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sun night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Mon night). Wind will be generally light. | |||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  | | |  | | | | |  | | | | |
some clouds | some clouds | some clouds | some clouds | cloudy | light snow | light snow | light snow | some clouds | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 6500 | 3350 | 5000 | 4750 | 5150 | 2800 | 1600 | 1600 | 1700 | 1650 | 9300 | 1900 | 2250 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 3 | 5 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 1 | 3 | 2 | 3 | 4 | 3 | -1 | -1 | 2 | 3 | 3 | 2 | 0 | 1 | 2 | 5 | 7 | 6 |
min °C | 1 | 3 | 1 | 2 | 4 | -1 | -1 | -1 | -2 | 2 | 3 | 0 | 0 | 0 | 0 | 3 | 5 | 6 |
chill °C | 1 | 1 | -3 | -1 | 1 | -6 | -7 | -7 | -9 | 2 | 0 | -3 | -2 | 0 | -4 | 0 | 5 | 5 |
Freezing level m | 2850 | 3050 | 2850 | 2950 | 3150 | 2550 | 2450 | 2550 | 3000 | 3300 | 3250 | 3000 | 2650 | 2750 | 3100 | 3500 | 3550 | 4000 |
 | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 7:24 | — | — | 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 Sun morning. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sun night).
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 7°C on Wed afternoon, 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.
* 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.