– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 40mm), heaviest during Tue morning. Mild temperatures (max 9°C on Thu afternoon, min 3°C on Wed morning). Winds decreasing (strong winds from the S on Mon night, calm by Wed night). | Days 5–7 Weather SummaryMostly dry. Very mild (max 16°C on Sun afternoon, min 7°C on Fri morning). Wind will be generally light. | |||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | |  | | | | |
heavy rain | heavy rain | mod. rain | rain shwrs | clear | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 650 | 550 | 550 | 6400 | 9300 | 2000 | 4950 | 6450 | 6400 | 2800 | 3150 | 3200 | 8400 | 9400 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 15 | 19 | 6 | 0.3 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 6 | 6 | 6 | 6 | 4 | 5 | 6 | 7 | 9 | 9 | 8 | 8 | 10 | 11 | 13 | 14 |
min °C | 5 | 6 | 6 | 4 | 3 | 5 | 6 | 7 | 9 | 8 | 7 | 8 | 9 | 10 | 11 | 13 |
chill °C | -1 | 2 | 3 | 3 | 3 | 4 | 6 | 6 | 9 | 8 | 6 | 7 | 9 | 10 | 11 | 13 |
Freezing level m | 3000 | 2750 | 2700 | 2450 | 2450 | 2600 | 2750 | 2850 | 2850 | 2850 | 2800 | 3150 | 3450 | 3650 | 3700 | 3850 |
 | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 40mm), heaviest during Tue morning. Mild temperatures (max 9°C on Thu afternoon, min 3°C on Wed morning). Winds decreasing (strong winds from the S on Mon night, calm by Wed night).
Twin Sisters Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Sun afternoon, min 7°C on Fri morning). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters 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.
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