– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Mon 26 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 26 Oct 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 Wed morning. Becoming milder with moderate rain (total 18mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of snow turning to light rain (total 2mm) on Fri afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -5°C on Thu night). Wind will be generally light. | ||||||||||||||||
Mon 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  |  | | | | |  | | | | |
light rain | light rain | light rain | light rain | light snow | light snow | rain shwrs | some clouds | some clouds | rain shwrs | some clouds | light snow | light rain | snow shwrs | some clouds | light rain | some clouds | |
Cloud base (m) | 1600 | 1600 | 1600 | 1600 | 1600 | 1600 | 1700 | 1800 | 2150 | 2100 | 1700 | 1700 | 1600 | 1600 | 1650 | 1600 | 1600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | 3 | 4 | — | — | — | — | — | 1 | — | 1 | — | — | — |
mm | 1.3 | 0.5 | 0.4 | 0.8 | 4 | 7 | 4 | — | — | 0.3 | — | — | 1.2 | — | — | 0.5 | — |
max °C | 5 | 4 | 4 | 5 | 3 | 2 | 3 | 1 | 2 | 3 | -3 | 2 | 3 | 1 | 1 | 2 | -1 |
min °C | 4 | 3 | 3 | 4 | 1 | 2 | 3 | -4 | -4 | 2 | -5 | -1 | 2 | -3 | -1 | 2 | -3 |
chill °C | 3 | 1 | 2 | 3 | 1 | 2 | 2 | -4 | -6 | 0 | -7 | -1 | 2 | -3 | -1 | 2 | -3 |
Freezing level m | 1700 | 1550 | 1650 | 1600 | 1250 | 1400 | 1400 | 550 | 1250 | 1300 | 350 | 1250 | 1400 | 800 | 1200 | 1250 | 500 |
 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — |
 | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:47 | — | — | 5:46 | — |
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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 Wed morning. Becoming milder with moderate rain (total 18mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Wed night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A dusting of snow turning to light rain (total 2mm) on Fri afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -5°C on Thu 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
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Winthrop Airport (Washington) |  | ||||
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* 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.