– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 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 heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Tue afternoon, min -8°C on Sun morning). Winds decreasing (near gales from the WSW on Sun morning, light winds from the S by Sun night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 2°C on Wed morning, min -4°C on Fri morning). Winds increasing (moderate winds from the SSW on Thu morning, near gales from the WSW by Fri morning). | |||||||||||||||||
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 | some clouds | cloudy | some clouds | light snow | mod. snow | light snow | light snow | snow shwrs | some clouds | cloudy | some clouds | some clouds | cloudy | light snow | light snow | light snow | light snow | |
Cloud base (m) | 1600 | 1700 | 1600 | 2450 | 1700 | 1600 | 1700 | 1600 | 1600 | 1600 | 1950 | 1750 | 1600 | 1600 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 2 | — | — | — | 4 | 6 | 2 | 4 | 10 | — | — | — | — | — | 1 | 4 | 5 | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -7 | -5 | -3 | -5 | -3 | -3 | -1 | 0 | 0 | 2 | 2 | 2 | 2 | -1 | -2 | -3 | -3 | -1 |
min °C | -8 | -7 | -7 | -6 | -4 | -6 | -2 | -1 | -2 | 1 | 1 | 2 | 1 | -1 | -3 | -4 | -4 | -3 |
chill °C | -20 | -15 | -10 | -14 | -12 | -14 | -10 | -8 | -10 | -6 | -5 | -4 | -5 | -9 | -12 | -14 | -14 | -12 |
Freezing level m | 1600 | 1550 | 1150 | 1600 | 1800 | 1700 | 1900 | 2500 | 2500 | 3000 | 3200 | 3400 | 3150 | 2450 | 2200 | 2100 | 2000 | 2100 |
 | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — | — | 4:27 | — |
Loading...
Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Tue afternoon, min -8°C on Sun morning). Winds decreasing (near gales from the WSW on Sun morning, light winds from the S by Sun night).
Fortress Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 2°C on Wed morning, min -4°C on Fri morning). Winds increasing (moderate winds from the SSW on Thu morning, near gales from the WSW by Fri 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Winthrop Airport (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.