– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 7mm), mostly falling on Fri morning. Warm (max 21°C on Thu afternoon, min 1°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 16mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Very mild (max 14°C on Mon afternoon, min 2°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | | | | |  | | | |  | |  | |
clear | clear | some clouds | light rain | rain shwrs | rain shwrs | some clouds | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | some clouds | cloudy | light rain | light snow | |
Cloud base (m) | 8500 | 1600 | 1750 | 1600 | 1600 | 2300 | 1950 | 2850 | 8850 | 5450 | 2500 | 1900 | 1600 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
mm | — | — | — | 4 | 0.9 | 0.1 | — | 1.1 | 0.2 | — | — | — | — | — | — | — | 1.5 | 14 |
max °C | 20 | 21 | 13 | 9 | 7 | 3 | 6 | 8 | 3 | 8 | 11 | 6 | 11 | 14 | 7 | 11 | 13 | 8 |
min °C | 15 | 19 | 8 | 8 | 7 | 1 | 2 | 7 | 2 | 3 | 11 | 5 | 5 | 12 | 6 | 7 | 8 | 2 |
chill °C | 15 | 19 | 7 | 6 | 5 | -1 | 1 | 6 | 0 | 3 | 11 | 5 | 5 | 12 | 5 | 6 | 7 | -1 |
Freezing level m | 3900 | 3800 | 3450 | 2250 | 2000 | 1100 | 1850 | 1950 | 1250 | 2100 | 2300 | 3100 | 3550 | 3500 | 3100 | 2800 | 2450 | 1350 |
 | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Light rain (total 7mm), mostly falling on Fri morning. Warm (max 21°C on Thu afternoon, min 1°C on Fri night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Moderate rain (total 16mm) heaviest on Tue night, then becoming colder with a dusting of snow on Tue night. Very mild (max 14°C on Mon afternoon, min 2°C on Tue night). Wind will be generally light.
This table gives the weather forecast for Fortress Mountain at the specific elevation of 1000 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) |  | ||||
| |||||
SHIP7644 | |||||
| |||||
SHIP5009 | |||||
SHIP5686 | |||||
SHIP5234 | |||||
SHIP8597 | |||||
SHIP8975 |
* 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.