– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 18°C on Thu afternoon, min 7°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 21°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light. | |||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | |  |  |  | | | | | | |  | |
some clouds | clear | some clouds | some clouds | light rain | light rain | light rain | light rain | rain shwrs | cloudy | rain shwrs | some clouds | clear | some clouds | some clouds | clear | clear | clear | |
Cloud base (m) | 2350 | 2500 | 1750 | 1800 | 2550 | 2800 | 2700 | 1850 | 2050 | 1600 | 1750 | 1800 | 3150 | 2950 | 3000 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 0.2 | 0.4 | 0.3 | 3 | 2 | — | 0.1 | — | — | — | — | — | — | — |
max °C | 16 | 18 | 12 | 12 | 15 | 11 | 13 | 12 | 10 | 10 | 12 | 9 | 15 | 18 | 13 | 18 | 21 | 16 |
min °C | 13 | 18 | 8 | 9 | 15 | 10 | 11 | 11 | 7 | 8 | 11 | 7 | 8 | 18 | 12 | 13 | 20 | 13 |
chill °C | 12 | 18 | 7 | 8 | 15 | 10 | 11 | 11 | 6 | 7 | 10 | 6 | 8 | 18 | 12 | 13 | 20 | 13 |
Freezing level m | 3400 | 3050 | 2800 | 2700 | 2900 | 2650 | 2700 | 2650 | 2550 | 2800 | 2900 | 3150 | 3100 | 3100 | 2950 | 3100 | 3500 | 3900 |
 | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — |
 | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:21 | — | — | 7:17 | — | — | 7:15 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Light rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 18°C on Thu afternoon, min 7°C on Sat night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Warm (max 21°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 1000 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.