– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 9°C on Sat afternoon, min 4°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 4°C on Tue afternoon, min -4°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | | | | | | |  |  | |
some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | light snow | |
Cloud base (m) | 7000 | 1600 | 1900 | 1650 | 2300 | 1600 | 6200 | 5700 | 2200 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 9 | 7 | 9 | 9 | 8 | 7 | 8 | 6 | 4 | 4 | 1 | -1 | -1 | 0 | 1 | 2 | 1 |
min °C | 8 | 7 | 8 | 9 | 7 | 6 | 7 | 4 | 4 | 3 | -2 | -2 | -1 | -2 | 0 | 1 | -3 |
chill °C | 7 | 6 | 7 | 8 | 4 | 2 | 4 | 0 | 0 | -1 | -7 | -8 | -5 | -6 | -4 | -2 | -3 |
Freezing level m | 3800 | 4000 | 4050 | 4000 | 3950 | 3750 | 3700 | 3700 | 3400 | 3050 | 2450 | 2500 | 2550 | 2450 | 2800 | 2900 | 2300 |
 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — |
 | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Mostly dry. Mild temperatures (max 9°C on Sat afternoon, min 4°C on Mon night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 4°C on Tue afternoon, min -4°C on Fri morning). Wind will be generally light.
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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BUOY-46120 |
* 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.