– Lat/Long: 48.16° N 120.93° W
Fortress Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
3 Fortress Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 25mm), heaviest during Fri morning. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 14°C on Sun afternoon, min 3°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | | | | | | | | | | | |
some clouds | clear | some clouds | cloudy | cloudy | mod. rain | rain shwrs | mod. rain | mod. rain | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 6100 | 2750 | 7100 | 5100 | 3500 | 1800 | 1950 | 1600 | 1600 | 1600 | 1800 | 7050 | 6750 | 5800 | 5900 | 3900 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 6 | 6 | 6 | 7 | — | — | — | — | — | — | — | — | — |
max °C | 13 | 15 | 10 | 15 | 17 | 13 | 10 | 8 | 6 | 6 | 10 | 6 | 11 | 14 | 8 | 12 | 14 | 8 |
min °C | 9 | 15 | 8 | 10 | 16 | 10 | 9 | 7 | 4 | 3 | 9 | 5 | 6 | 14 | 6 | 7 | 13 | 7 |
chill °C | 9 | 15 | 8 | 9 | 16 | 10 | 8 | 6 | 2 | 1 | 8 | 5 | 6 | 14 | 5 | 6 | 12 | 6 |
Freezing level m | 2850 | 2850 | 3300 | 3400 | 3300 | 2750 | 2350 | 2100 | 1700 | 2050 | 2400 | 2300 | 2750 | 2850 | 2400 | 2750 | 3000 | 2800 |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — |
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Fortress Mountain Weather (Days 0-3):
The weather forecast for Fortress Mountain is: Heavy rain (total 25mm), heaviest during Fri morning. Very mild (max 17°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light.
Fortress Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 14°C on Sun afternoon, min 3°C on Sat morning). 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) |  | ||||
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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.