– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light fall of snow, heaviest on Tue night. Turning milder with light rain (total 8mm) on Tue night. Freeze-thaw conditions (max 2°C on Tue night, min -3°C on Sun morning). Mainly fresh winds. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Fri night). Winds increasing (light winds from the SSW on Wed night, strong winds from the WSW by Fri afternoon). | |||||||||||||||||
Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | |  | |  | | | |  | |  | |
snow shwrs | cloudy | cloudy | cloudy | light snow | snow shwrs | light snow | light snow | snow shwrs | some clouds | some clouds | some clouds | cloudy | cloudy | some clouds | mod. snow | mod. snow | heavy snow | |
Cloud base (m) | 1650 | 1700 | 1600 | 2450 | 1700 | 1600 | 1700 | 1600 | 1600 | 1950 | 1600 | 6400 | 1600 | 5400 | 1850 | 1600 | 1600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 1 | — | — | — | 3 | 4 | 1 | 3 | 4 | — | — | — | — | — | — | 8 | 10 | 18 |
mm | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — |
max °C | -2 | -2 | -1 | -1 | -1 | -1 | 0 | 1 | 2 | 4 | 3 | 3 | 4 | 2 | 1 | -1 | -1 | -2 |
min °C | -3 | -2 | -3 | -2 | -2 | -2 | 0 | 1 | 1 | 3 | 2 | 2 | 4 | 1 | 0 | -1 | -1 | -2 |
chill °C | -11 | -7 | -3 | -6 | -7 | -8 | -5 | -4 | -4 | -1 | -2 | -1 | 0 | -4 | -6 | -8 | -9 | -10 |
Freezing level m | 1700 | 1600 | 1150 | 1650 | 1800 | 1800 | 1900 | 2400 | 2800 | 3050 | 3200 | 3300 | 2750 | 2400 | 2150 | 1850 | 1800 | 1600 |
 | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A light fall of snow, heaviest on Tue night. Turning milder with light rain (total 8mm) on Tue night. Freeze-thaw conditions (max 2°C on Tue night, min -3°C on Sun morning). Mainly fresh winds.
Fortress Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Fri night). Winds increasing (light winds from the SSW on Wed night, strong winds from the WSW by Fri afternoon).
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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* 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.