– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Mon 02 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 02 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -7°C on Wed night). Winds increasing (light winds from the S on Mon night, fresh winds from the WSW by Wed night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -5°C on Thu morning). Winds increasing (light winds from the W on Thu afternoon, near gales from the SW by Sat night). | |||||||||||||||||
Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  | | | | | | |  | |  | |
some clouds | cloudy | some clouds | cloudy | some clouds | clear | some clouds | cloudy | light snow | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | snow shwrs | |
Cloud base (m) | 5950 | 5450 | 3100 | 2550 | 9350 | 2450 | 1600 | 1600 | 1600 | 1600 | 2350 | 1600 | 1600 | 3400 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | 6 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 1 | 0 | -2 | -2 | -1 | -1 | -3 | -4 | -4 | -3 | -3 | -1 | 0 | 1 | 3 | 2 | 0 |
min °C | 2 | 1 | -2 | -3 | -2 | -2 | -2 | -4 | -7 | -5 | -3 | -5 | -2 | -1 | 0 | 2 | 1 | -4 |
chill °C | -1 | -3 | -7 | -9 | -7 | -6 | -7 | -10 | -16 | -12 | -9 | -13 | -11 | -9 | -5 | -2 | -5 | -13 |
Freezing level m | 3350 | 3250 | 1500 | 2100 | 2300 | 2250 | 2450 | 2200 | 1650 | 1700 | 1900 | 1400 | 2150 | 2350 | 3050 | 3150 | 3200 | 2250 |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 4:43 | — | — | 4:40 | — | — | 4:39 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -7°C on Wed night). Winds increasing (light winds from the S on Mon night, fresh winds from the WSW by Wed night).
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -5°C on Thu morning). Winds increasing (light winds from the W on Thu afternoon, near gales from the SW by Sat night).
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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* 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.