– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Fri morning, min -8°C on Sat night). Winds decreasing (severe gales from the WSW on Sat night, calm by Sun night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon morning, near gales from the WSW by Tue morning). | |||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | | | | | | |  | |  | |
light snow | mod. snow | some clouds | cloudy | some clouds | heavy snow | mod. snow | snow shwrs | some clouds | cloudy | some clouds | some clouds | light snow | light snow | some clouds | clear | some clouds | cloudy | |
Cloud base (m) | 1650 | 1600 | 1650 | 2100 | 2650 | 1750 | 1600 | 1600 | 1600 | 1600 | 2200 | 2500 | 1850 | 1600 | 1650 | 1600 | 1600 | 6550 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 3 | 6 | — | — | — | 18 | 8 | 2 | — | — | — | — | 2 | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | 0 | -1 | 0 | 0 | -3 | -8 | -7 | -2 | -3 | -5 | -3 | -1 | 0 | 1 | 3 | 3 | 4 |
min °C | -1 | -2 | -1 | 0 | -1 | -8 | -8 | -7 | -5 | -4 | -6 | -4 | -1 | -1 | 0 | 2 | 3 | 3 |
chill °C | -10 | -11 | -9 | -6 | -9 | -21 | -20 | -17 | -12 | -9 | -12 | -10 | -10 | -7 | -5 | -3 | -1 | -1 |
Freezing level m | 2450 | 2600 | 2200 | 2550 | 2700 | 1650 | 1600 | 1550 | 1400 | 1550 | 1700 | 1350 | 2350 | 2500 | 3200 | 3450 | 3600 | 3700 |
 | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 4:37 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Fri morning, min -8°C on Sat night). Winds decreasing (severe gales from the WSW on Sat night, calm by Sun night).
Fortress Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon morning, near gales from the WSW by Tue morning).
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.
* 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.