– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 pm Sun 21 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sun 21 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sun 21 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 23mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the S by Wed afternoon). | Days 5–7 Weather SummaryModerate rain (total 17mm) heaviest on Thu night, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -3°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | |  | |  | | | |  | | |  | |
snow shwrs | light snow | light snow | light snow | some clouds | cloudy | light rain | mod. rain | mod. rain | rain shwrs | some clouds | light rain | light snow | light rain | some clouds | some clouds | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
7 | 1 | 3 | 3 | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | |
8 | — | — | — | — | — | 1.1 | 8 | 6 | 0.3 | — | 5 | 10 | 2 | — | — | — | — | — | |
max °C | 3 | 2 | 2 | 2 | 3 | 2 | 4 | 5 | 4 | 3 | 5 | 4 | 3 | 2 | 2 | -1 | 1 | 1 | 0 |
min °C | 1 | 2 | 2 | 0 | 1 | 1 | 2 | 5 | 3 | 1 | 5 | 3 | 2 | 2 | 1 | -3 | 0 | -1 | -1 |
-1 | -2 | -2 | -3 | -1 | -1 | 0 | 3 | 0 | -1 | 3 | 3 | 0 | 2 | 1 | -3 | 0 | -1 | -1 | |
700 | 750 | 750 | 650 | 650 | 950 | 1550 | 1850 | 1150 | 1000 | 1600 | 1250 | 950 | 850 | 850 | 0 | 500 | 650 | 0 | |
Cloud base (m) | 550 | 650 | 550 | 550 | 600 | 1800 | 1650 | 650 | 550 | 550 | 1950 | 750 | 550 | 550 | 550 | 600 | 650 | 600 | 650 |
 | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — |
 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mild with heavy rain (total 23mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 5°C on Wed morning, min 0°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the S by Wed afternoon).
Twin Sisters Mountain Weather (Days 3-6):
Moderate rain (total 17mm) heaviest on Thu night, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -3°C on Fri night). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 500 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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