– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 12°C on Fri afternoon, min -2°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 6°C on Tue afternoon, min -1°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | | |  |  |  |  | |  | | | | |
clear | clear | clear | clear | clear | rain shwrs | light snow | clear | clear | some clouds | cloudy | some clouds | light rain | cloudy | cloudy | some clouds | some clouds | clear | |
Cloud base (m) | 9650 | 9200 | 8450 | 8950 | 1600 | 1650 | 1750 | 6400 | 4950 | 4350 | 4800 | 2550 | 2650 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.5 | 3 | — | — | — | — | — | 0.1 | — | — | — | — | — |
max °C | 9 | 11 | 7 | 10 | 12 | 8 | 3 | 1 | -1 | 4 | 5 | 2 | 3 | 4 | 2 | 5 | 6 | 4 |
min °C | 6 | 10 | 6 | 6 | 11 | 4 | 1 | 0 | -2 | -1 | 4 | 1 | 0 | 4 | 2 | 2 | 6 | 3 |
chill °C | 5 | 9 | 4 | 4 | 9 | -1 | -4 | -6 | -7 | -1 | 2 | 0 | -2 | 3 | 2 | 0 | 6 | 3 |
Freezing level m | 4000 | 4000 | 3850 | 3850 | 3700 | 3100 | 2150 | 2100 | 1500 | 2900 | 3000 | 2300 | 2600 | 2650 | 2350 | 2600 | 2700 | 2800 |
 | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — | — | 6:08 | — | — | 6:07 | — | — | 6:06 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 12°C on Fri afternoon, min -2°C on Sat night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 6°C on Tue afternoon, min -1°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 2000 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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SHIP3654 |
* 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.